
                      <html>
                      <head>
                        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
                      </head>
                      <body>

                          <style type="text/css">[hidden] { display: none; }

.visually-hidden {
	position: absolute;
	clip: rect(0, 0, 0, 0);
}

div.awesomplete {
	display: inline-block;
	position: relative;
}

div.awesomplete > input {
	display: block;
}

div.awesomplete > ul {
	position: absolute;
	left: 0;
	z-index: 1;
	min-width: 100%;
	box-sizing: border-box;
	list-style: none;
	padding: 0;
	border-radius: .3em;
	margin: .2em 0 0;
	background: hsla(0,0%,100%,.9);
	background: linear-gradient(to bottom right, white, hsla(0,0%,100%,.8));
	border: 1px solid rgba(0,0,0,.3);
	box-shadow: .05em .2em .6em rgba(0,0,0,.2);
	text-shadow: none;
}

div.awesomplete > ul[hidden],
div.awesomplete > ul:empty {
	display: none;
}

@supports (transform: scale(0)) {
	div.awesomplete > ul {
		transition: .3s cubic-bezier(.4,.2,.5,1.4);
		transform-origin: 1.43em -.43em;
	}

	div.awesomplete > ul[hidden],
	div.awesomplete > ul:empty {
		opacity: 0;
		transform: scale(0);
		display: block;
		transition-timing-function: ease;
	}
}

	/* Pointer
	div.awesomplete > ul:before {
		content: "";
		position: absolute;
		top: -.43em;
		left: 1em;
		width: 0; height: 0;
		padding: .4em;
		background: white;
		border: inherit;
		border-right: 0;
		border-bottom: 0;
		-webkit-transform: rotate(45deg);
		transform: rotate(45deg);
	}*/

	div.awesomplete > ul > li {
		position: relative;
		padding: .2em .5em;
		cursor: pointer;
	}

	div.awesomplete > ul > li:hover {
		background: hsl(200, 40%, 80%);
		color: black;
	}

	div.awesomplete > ul > li[aria-selected="true"] {
		background: hsl(205, 40%, 40%);
		color: white;
	}

		div.awesomplete mark {
			background: hsl(65, 100%, 50%);
		}

		div.awesomplete li:hover mark {
			background: hsl(68, 100%, 41%);
		}

		div.awesomplete li[aria-selected="true"] mark {
			background: hsl(86, 100%, 21%);
			color: inherit;
		}
</style>
    <style type="text/css">.myButton {
    background-color:#f9f9f9;
    -moz-border-radius:4px;
    -webkit-border-radius:4px;
    border-radius:4px;
    border:1px solid #aaa;
    display:inline-block;
    cursor:pointer;
    color:#666666;
    font-size:16px;
    text-align: center;
    text-decoration:none;
    width: 30px;
    max-width: 30px;
    height: 30px;
    max-height: 30px;
    margin: 2px 1px 2px 1px;
}
.myButton:disabled {
    background-color:#fff;
    color: #bbb;
    cursor:auto;
}
.myButton:hover:enabled {
    background-color:#e9e9e9;
}
.myButton:active:enabled {
    position:relative;
    top:1px;
}
.myButton:focus {
    outline:0;
}
.myButtonToggledOn, .myButtonToggledOn:hover:enabled{
    background-color:yellow;
    color:red;
}

.toolbar {
    display: inline-block;
    border: 2px solid #aaa;
    box-sizing: border-box;
}
.button-group {
    display: inline-block;
}
.button-group+.button-group {
    border-left: 2px solid #aaa;
    padding-left: 2px;
}

.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}
.dropdown-content span.fakeLink {
    font-family: helvetica, sans-serif;
    font-size: 16px;
    cursor: pointer;
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}
.dropdown-content span.fakeLink:hover {
    background-color: #ddd
}
.dropdown:hover .dropdown-content {
    display: block;
    z-index: 100;
}
.dropdown:hover .dropbtn {
    background-color: #3e8e41;
}





body {
    font-family: helvetica, sans-serif;
}
.path_string {
    font-family: "Courier New", Courier;
    font-size: 18px;
    margin-left: 10px;
    margin-top: 20px;
}
.ptN2ChartClass {
    margin-left: 10px;
    margin-top: 20px;
}
.ptN2LegendClass {
    margin-left: 10px;
    margin-top: 60px;
}



/* The Modal (background) */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 9999; /* Sit on top */
    padding-top: 100px; /* Location of the box */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}
/* Modal Content */
.modal-content {
    font-family: helvetica, sans-serif;
    font-size: 14px;
    position: relative;
    background-color: #fefefe;
    margin: auto;
    padding: 0;
    border: 1px solid #888;
    width: 80%;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
    -webkit-animation-name: animatetop;
    -webkit-animation-duration: 0.4s;
    animation-name: animatetop;
    animation-duration: 0.4s
}
/* Add Animation */
@-webkit-keyframes animatetop {
    from {top:-300px; opacity:0}
    to {top:0; opacity:1}
}
@keyframes animatetop {
    from {top:-300px; opacity:0}
    to {top:0; opacity:1}
}
/* The Close Button */
.close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}
.modal-header {
    font-family: helvetica, sans-serif;
    font-size: 20px;
    padding: 2px 16px;
    background-color: steelblue;
    color: white;
    margin: 2px;
    padding: 10px;
}
.modal-body {padding: 2px 16px;}
.modal-footer {
    font-family: helvetica, sans-serif;
    font-size: 12px;
    padding: 2px 16px;
    background-color: steelblue;
    color: white;
    margin: 2px;
    padding: 10px;
}

@font-face {
    /* Subset of fonts from Font Awesome v4.6.3 created using http://fontello.com/ */
    font-family: 'fontello';
    src: url('data:application/font-woff;charset=utf-8;base64,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') format('woff');
}            

[class^="icon-"]:before, [class*=" icon-"]:before {
    display: inline-block;
    font: normal normal normal 14px/1 fontello;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
/* makes the font 33%% larger relative to the icon container */
.bigger-font {
    font-size: 1.33333333em;
    line-height: 0.75em;
    vertical-align: -15%;
}
.icon-resize-full:before { content: '\e800'; }
.icon-resize-small:before { content: '\e801'; }
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    <script type="text/javascript">/**
 * Simple, lightweight, usable local autocomplete library for modern browsers
 * Because there weren’t enough autocomplete scripts in the world? Because I’m completely insane and have NIH syndrome? Probably both. :P
 * @author Lea Verou http://leaverou.github.io/awesomplete
 * MIT license
 */

(function () {

var _ = function (input, o) {
	var me = this;

	// Setup

	this.isOpened = false;

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	this.input.setAttribute("autocomplete", "off");
	this.input.setAttribute("aria-autocomplete", "list");

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		maxItems: 10,
		autoFirst: false,
		data: _.DATA,
		filter: _.FILTER_CONTAINS,
		sort: _.SORT_BYLENGTH,
		item: _.ITEM,
		replace: _.REPLACE
	}, o);

	this.index = -1;

	// Create necessary elements

	this.container = $.create("div", {
		className: "awesomplete",
		around: input
	});

	this.ul = $.create("ul", {
		hidden: "hidden",
		inside: this.container
	});

	this.status = $.create("span", {
		className: "visually-hidden",
		role: "status",
		"aria-live": "assertive",
		"aria-relevant": "additions",
		inside: this.container
	});

	// Bind events

	$.bind(this.input, {
		"input": this.evaluate.bind(this),
		"blur": this.close.bind(this, { reason: "blur" }),
		"keydown": function(evt) {
			var c = evt.keyCode;

			// If the dropdown `ul` is in view, then act on keydown for the following keys:
			// Enter / Esc / Up / Down
			if(me.opened) {
				if (c === 13 && me.selected) { // Enter
					evt.preventDefault();
					me.select();
				}
				else if (c === 27) { // Esc
					me.close({ reason: "esc" });
				}
				else if (c === 38 || c === 40) { // Down/Up arrow
					evt.preventDefault();
					me[c === 38? "previous" : "next"]();
				}
			}
		}
	});

	$.bind(this.input.form, {"submit": this.close.bind(this, { reason: "submit" })});

	$.bind(this.ul, {"mousedown": function(evt) {
		var li = evt.target;

		if (li !== this) {

			while (li && !/li/i.test(li.nodeName)) {
				li = li.parentNode;
			}

			if (li && evt.button === 0) {  // Only select on left click
				evt.preventDefault();
				me.select(li, evt.target);
			}
		}
	}});

	if (this.input.hasAttribute("list")) {
		this.list = "#" + this.input.getAttribute("list");
		this.input.removeAttribute("list");
	}
	else {
		this.list = this.input.getAttribute("data-list") || o.list || [];
	}

	_.all.push(this);
};

_.prototype = {
	set list(list) {
		if (Array.isArray(list)) {
			this._list = list;
		}
		else if (typeof list === "string" && list.indexOf(",") > -1) {
				this._list = list.split(/\s*,\s*/);
		}
		else { // Element or CSS selector
			list = $(list);

			if (list && list.children) {
				var items = [];
				slice.apply(list.children).forEach(function (el) {
					if (!el.disabled) {
						var text = el.textContent.trim();
						var value = el.value || text;
						var label = el.label || text;
						if (value !== "") {
							items.push({ label: label, value: value });
						}
					}
				});
				this._list = items;
			}
		}

		if (document.activeElement === this.input) {
			this.evaluate();
		}
	},

	get selected() {
		return this.index > -1;
	},

	get opened() {
		return this.isOpened;
	},

	close: function (o) {
		if (!this.opened) {
			return;
		}

		this.ul.setAttribute("hidden", "");
		this.isOpened = false;
		this.index = -1;

		$.fire(this.input, "awesomplete-close", o || {});
	},

	open: function () {
		this.ul.removeAttribute("hidden");
		this.isOpened = true;

		if (this.autoFirst && this.index === -1) {
			this.goto(0);
		}

		$.fire(this.input, "awesomplete-open");
	},

	next: function () {
		var count = this.ul.children.length;
		this.goto(this.index < count - 1 ? this.index + 1 : (count ? 0 : -1) );
	},

	previous: function () {
		var count = this.ul.children.length;
		var pos = this.index - 1;

		this.goto(this.selected && pos !== -1 ? pos : count - 1);
	},

	// Should not be used, highlights specific item without any checks!
	goto: function (i) {
		var lis = this.ul.children;

		if (this.selected) {
			lis[this.index].setAttribute("aria-selected", "false");
		}

		this.index = i;

		if (i > -1 && lis.length > 0) {
			lis[i].setAttribute("aria-selected", "true");
			this.status.textContent = lis[i].textContent;

			$.fire(this.input, "awesomplete-highlight", {
				text: this.suggestions[this.index]
			});
		}
	},

	select: function (selected, origin) {
		if (selected) {
			this.index = $.siblingIndex(selected);
		} else {
			selected = this.ul.children[this.index];
		}

		if (selected) {
			var suggestion = this.suggestions[this.index];

			var allowed = $.fire(this.input, "awesomplete-select", {
				text: suggestion,
				origin: origin || selected
			});

			if (allowed) {
				this.replace(suggestion);
				this.close({ reason: "select" });
				$.fire(this.input, "awesomplete-selectcomplete", {
					text: suggestion
				});
			}
		}
	},

	evaluate: function() {
		var me = this;
		var value = this.input.value;

		if (value.length >= this.minChars && this._list.length > 0) {
			this.index = -1;
			// Populate list with options that match
			this.ul.innerHTML = "";

			this.suggestions = this._list
				.map(function(item) {
					return new Suggestion(me.data(item, value));
				})
				.filter(function(item) {
					return me.filter(item, value);
				})
				.sort(this.sort)
				.slice(0, this.maxItems);

			this.suggestions.forEach(function(text) {
					me.ul.appendChild(me.item(text, value));
				});

			if (this.ul.children.length === 0) {
				this.close({ reason: "nomatches" });
			} else {
				this.open();
			}
		}
		else {
			this.close({ reason: "nomatches" });
		}
	}
};

// Static methods/properties

_.all = [];

_.FILTER_CONTAINS = function (text, input) {
	return RegExp($.regExpEscape(input.trim()), "i").test(text);
};

_.FILTER_STARTSWITH = function (text, input) {
	return RegExp("^" + $.regExpEscape(input.trim()), "i").test(text);
};

_.SORT_BYLENGTH = function (a, b) {
	if (a.length !== b.length) {
		return a.length - b.length;
	}

	return a < b? -1 : 1;
};

_.ITEM = function (text, input) {
	var html = input === '' ? text : text.replace(RegExp($.regExpEscape(input.trim()), "gi"), "<mark>$&</mark>");
	return $.create("li", {
		innerHTML: html,
		"aria-selected": "false"
	});
};

_.REPLACE = function (text) {
	this.input.value = text.value;
};

_.DATA = function (item/*, input*/) { return item; };

// Private functions

function Suggestion(data) {
	var o = Array.isArray(data)
	  ? { label: data[0], value: data[1] }
	  : typeof data === "object" && "label" in data && "value" in data ? data : { label: data, value: data };

	this.label = o.label || o.value;
	this.value = o.value;
}
Object.defineProperty(Suggestion.prototype = Object.create(String.prototype), "length", {
	get: function() { return this.label.length; }
});
Suggestion.prototype.toString = Suggestion.prototype.valueOf = function () {
	return "" + this.label;
};

function configure(instance, properties, o) {
	for (var i in properties) {
		var initial = properties[i],
		    attrValue = instance.input.getAttribute("data-" + i.toLowerCase());

		if (typeof initial === "number") {
			instance[i] = parseInt(attrValue);
		}
		else if (initial === false) { // Boolean options must be false by default anyway
			instance[i] = attrValue !== null;
		}
		else if (initial instanceof Function) {
			instance[i] = null;
		}
		else {
			instance[i] = attrValue;
		}

		if (!instance[i] && instance[i] !== 0) {
			instance[i] = (i in o)? o[i] : initial;
		}
	}
}

// Helpers

var slice = Array.prototype.slice;

function $(expr, con) {
	return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
}

function $$(expr, con) {
	return slice.call((con || document).querySelectorAll(expr));
}

$.create = function(tag, o) {
	var element = document.createElement(tag);

	for (var i in o) {
		var val = o[i];

		if (i === "inside") {
			$(val).appendChild(element);
		}
		else if (i === "around") {
			var ref = $(val);
			ref.parentNode.insertBefore(element, ref);
			element.appendChild(ref);
		}
		else if (i in element) {
			element[i] = val;
		}
		else {
			element.setAttribute(i, val);
		}
	}

	return element;
};

$.bind = function(element, o) {
	if (element) {
		for (var event in o) {
			var callback = o[event];

			event.split(/\s+/).forEach(function (event) {
				element.addEventListener(event, callback);
			});
		}
	}
};

$.fire = function(target, type, properties) {
	var evt = document.createEvent("HTMLEvents");

	evt.initEvent(type, true, true );

	for (var j in properties) {
		evt[j] = properties[j];
	}

	return target.dispatchEvent(evt);
};

$.regExpEscape = function (s) {
	return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
};

$.siblingIndex = function (el) {
	/* eslint-disable no-cond-assign */
	for (var i = 0; el = el.previousElementSibling; i++);
	return i;
};

// Initialization

function init() {
	$$("input.awesomplete").forEach(function (input) {
		new _(input);
	});
}

// Are we in a browser? Check for Document constructor
if (typeof Document !== "undefined") {
	// DOM already loaded?
	if (document.readyState !== "loading") {
		init();
	}
	else {
		// Wait for it
		document.addEventListener("DOMContentLoaded", init);
	}
}

_.$ = $;
_.$$ = $$;

// Make sure to export Awesomplete on self when in a browser
if (typeof self !== "undefined") {
	self.Awesomplete = _;
}

// Expose Awesomplete as a CJS module
if (typeof module === "object" && module.exports) {
	module.exports = _;
}

return _;

}());
</script>
    <script type="text/javascript">/**
* vkBeautify - javascript plugin to pretty-print or minify text in XML, JSON, CSS and SQL formats.
*
* Version - 0.99.00.beta
* Copyright (c) 2012 Vadim Kiryukhin
* vkiryukhin @ gmail.com
* http://www.eslinstructor.net/vkbeautify/
*
* MIT license:
*   http://www.opensource.org/licenses/mit-license.php
*
*   Pretty print
*
*        vkbeautify.xml(text [,indent_pattern]);
*
*
*        @text - String; text to beatufy;
*        @indent_pattern - Integer | String;
*                Integer:  number of white spaces;
*                String:   character string to visualize indentation ( can also be a set of white spaces )
*/

(function() {

    function createShiftArr(step) {

        var space = '    ';

        if ( isNaN(parseInt(step)) ) {  // argument is string
            space = step;
        } else { // argument is integer
            switch(step) {
                case 1: space = ' '; break;
                case 2: space = '  '; break;
                case 3: space = '   '; break;
                case 4: space = '    '; break;
                case 5: space = '     '; break;
                case 6: space = '      '; break;
                case 7: space = '       '; break;
                case 8: space = '        '; break;
                case 9: space = '         '; break;
                case 10: space = '          '; break;
                case 11: space = '           '; break;
                case 12: space = '            '; break;
            }
        }

        var shift = ['\n']; // array of shifts
        for(ix=0;ix<100;ix++){
            shift.push(shift[ix]+space);
        }
        return shift;
    }

    function vkbeautify(){
        this.step = '\t'; // 4 spaces
        this.shift = createShiftArr(this.step);
    };

    vkbeautify.prototype.xml = function(text,step) {

        var ar = text.replace(/>\s{0,}</g,"><")
                        .replace(/</g,"~::~<")
                        .replace(/\s*xmlns\:/g,"~::~xmlns:")
                        .replace(/\s*xmlns\=/g,"~::~xmlns=")
                        .split('~::~'),
            len = ar.length,
            inComment = false,
            deep = 0,
            str = '',
            ix = 0,
            shift = step ? createShiftArr(step) : this.shift;

            for(ix=0;ix<len;ix++) {
                // start comment or <![CDATA[...]]> or <!DOCTYPE //
                if(ar[ix].search(/<!/) > -1) {
                    str += shift[deep]+ar[ix];
                    inComment = true;
                    // end comment  or <![CDATA[...]]> //
                    if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1 || ar[ix].search(/!DOCTYPE/) > -1 ) {
                        inComment = false;
                    }
                } else
                // end comment  or <![CDATA[...]]> //
                if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1) {
                    str += ar[ix];
                    inComment = false;
                } else
                // <elm></elm> //
                if( /^<\w/.exec(ar[ix-1]) && /^<\/\w/.exec(ar[ix]) &&
                    /^<[\w:\-\.\,]+/.exec(ar[ix-1]) == /^<\/[\w:\-\.\,]+/.exec(ar[ix])[0].replace('/','')) {
                    str += ar[ix];
                    if(!inComment) deep--;
                } else
                    // <elm> //
                if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) == -1 && ar[ix].search(/\/>/) == -1 ) {
                    str = !inComment ? str += shift[deep++]+ar[ix] : str += ar[ix];
                } else
                    // <elm>...</elm> //
                if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) > -1) {
                    str = !inComment ? str += shift[deep]+ar[ix] : str += ar[ix];
                } else
                // </elm> //
                if(ar[ix].search(/<\//) > -1) {
                    str = !inComment ? str += shift[--deep]+ar[ix] : str += ar[ix];
                } else
                // <elm/> //
                if(ar[ix].search(/\/>/) > -1 ) {
                    str = !inComment ? str += shift[deep]+ar[ix] : str += ar[ix];
                } else
                // <? xml ... ?> //
                if(ar[ix].search(/<\?/) > -1) {
                    str += shift[deep]+ar[ix];
                } else
                // xmlns //
                if( ar[ix].search(/xmlns\:/) > -1  || ar[ix].search(/xmlns\=/) > -1) {
                    str += shift[deep]+ar[ix];
                }

                else {
                    str += ar[ix];
                }
            }

        return  (str[0] == '\n') ? str.slice(1) : str;
    }

    window.vkbeautify = new vkbeautify();

})();</script>
    <script type="text/javascript">var modelData = {"tree": {"name": "root", "type": "root", "subsystem_type": "group", "children": [{"name": "prob_vars", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "v", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "alpha", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "M", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "re", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "rho", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "cg", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "wing", "type": "subsystem", "subsystem_type": "group", "children": [{"name": "indep_vars", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "twist_cp", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "twist_bsp", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "twist_cp", "type": "param", "dtype": "ndarray"}, {"name": "twist", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "mesh", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "twist", "type": "param", "dtype": "ndarray"}, {"name": "mesh", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}]}, {"name": "aero_point_0", "type": "subsystem", "subsystem_type": "group", "children": [{"name": "wing", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "def_mesh", "type": "param", "dtype": "ndarray"}, {"name": "b_pts", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "c_pts", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "widths", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "cos_sweep", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "lengths", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "chords", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "normals", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "S_ref", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "aero_states", "type": "subsystem", "subsystem_type": "group", "children": [{"name": "assembly", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "wing_def_mesh", "type": "param", "dtype": "ndarray"}, {"name": "wing_b_pts", "type": "param", "dtype": "ndarray"}, {"name": "wing_c_pts", "type": "param", "dtype": "ndarray"}, {"name": "wing_normals", "type": "param", "dtype": "ndarray"}, {"name": "v", "type": "param", "dtype": "ndarray"}, {"name": "alpha", "type": "param", "dtype": "ndarray"}, {"name": "AIC", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "rhs", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "circulations", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "AIC", "type": "param", "dtype": "ndarray"}, {"name": "rhs", "type": "param", "dtype": "ndarray"}, {"name": "circulations", "type": "unknown", "implicit": true, "dtype": "ndarray"}]}, {"name": "forces", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "wing_def_mesh", "type": "param", "dtype": "ndarray"}, {"name": "wing_b_pts", "type": "param", "dtype": "ndarray"}, {"name": "wing_cos_sweep", "type": "param", "dtype": "ndarray"}, {"name": "wing_widths", "type": "param", "dtype": "ndarray"}, {"name": "circulations", "type": "param", "dtype": "ndarray"}, {"name": "alpha", "type": "param", "dtype": "ndarray"}, {"name": "M", "type": "param", "dtype": "ndarray"}, {"name": "v", "type": "param", "dtype": "ndarray"}, {"name": "rho", "type": "param", "dtype": "ndarray"}, {"name": "wing_sec_forces", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}]}, {"name": "wing_perf", "type": "subsystem", "subsystem_type": "group", "children": [{"name": 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"type": "param", "dtype": "ndarray"}, {"name": "D", "type": "param", "dtype": "ndarray"}, {"name": "v", "type": "param", "dtype": "ndarray"}, {"name": "rho", "type": "param", "dtype": "ndarray"}, {"name": "CL1", "type": "unknown", "implicit": false, "dtype": "ndarray"}, {"name": "CDi", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "CD", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "CDi", "type": "param", "dtype": "ndarray"}, {"name": "CDv", "type": "param", "dtype": "ndarray"}, {"name": "CD", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}, {"name": "CL", "type": "subsystem", "subsystem_type": "component", "children": [{"name": "CL1", "type": "param", "dtype": "ndarray"}, {"name": "CL", "type": "unknown", "implicit": false, "dtype": "ndarray"}]}]}, {"name": "total_perf", "type": "subsystem", "subsystem_type": "group", "children": [{"name": "sum_areas", "type": "subsystem", "subsystem_type": "component", "children": 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    }

    //title LEGEND
    {
        var el = svg_legend.append("g").attr("transform", "translate(" + (legendWidth * .5) + "," + (15) + ")");
        el.append("svg:text")
            .attr("text-anchor", "middle")
            .attr("dy", ".35em")//.attr("dominant-baseline", "middle")//
            .attr("font-size", 30)
            .attr("text-decoration", "underline")
            .text("LEGEND")
            .style("fill", "black");
    }

    //COLUMN TITLES
    {
        var text = ["Colors", "N^2 Symbols"];
        for (var i = 0; i < text.length; ++i) {
            var el = svg_legend.append("g").attr("transform", "translate(" + (columnWidth * i + xOffset) + "," + (60) + ")");
            el.append("svg:text")
                .attr("dy", ".35em")//.attr("dominant-baseline", "middle")//
                .attr("font-size", 24)
                .attr("text-decoration", "underline")
                .text(text[i])
                .style("fill", "black");
        }
    }

    //COLORS
    {
        var text = ["Group", "Component", "Unknown Explicit", "Unknown Implicit", "Collapsed", "Connection"];
        var colors = [GROUP_COLOR, COMPONENT_COLOR, UNKNOWN_EXPLICIT_COLOR, UNKNOWN_IMPLICIT_COLOR, COLLAPSED_COLOR, CONNECTION_COLOR];
        if (showParams) {
            text.splice(2, 0, "Param");
            colors.splice(2, 0, PARAM_COLOR);
            text.splice(3, 0, "Unconnected Param")
            colors.splice(3, 0, UNCONNECTED_PARAM_COLOR)
        }
        for (var i = 0; i < text.length; ++i) {
            var el = svg_legend.append("g").attr("transform", "translate(" + (columnWidth * 0 + xOffset + u) + "," + (80 + 40 * i + v) + ")");
            DrawLegendColor(el, u, v, colors[i], false);
            CreateText(el, text[i]);
        }
    }

    //N2 SYMBOLS
    {
        var text = ["Scalar", "Vector", "Group"];
        var colors = [UNKNOWN_EXPLICIT_COLOR, UNKNOWN_EXPLICIT_COLOR, UNKNOWN_EXPLICIT_COLOR];
        var shapeFunctions = [DrawScalar, DrawVector, DrawGroup];
        for (var i = 0; i < text.length; ++i) {
            var el = svg_legend.append("g").attr("transform", "translate(" + (columnWidth * 1 + xOffset + u) + "," + (80 + 40 * i + v) + ")");
            shapeFunctions[i](el, u, v, colors[i], false);
            CreateElementBorder(el);
            CreateText(el, text[i]);
        }
    }
}

function DrawLegendColor(g, u, v, color, justUpdate) {
    var shape = justUpdate ? g.select(".colorMid") : g.append("rect").attr("class", "colorMid").style("fill", color);
    return shape.attr("x", -u).attr("y", -v).attr("width", u * 2).attr("height", v * 2)
        .style("stroke-width", 0).style("fill-opacity", 1);
}

function DrawScalar(g, u, v, color, justUpdate) {
    var shape = justUpdate ? g.select(".sMid") : g.append("ellipse").attr("class", "sMid").style("fill", color);
    return shape.attr("rx", u * .6).attr("ry", v * .6);
}

function DrawVector(g, u, v, color, justUpdate) {
    var shape = justUpdate ? g.select(".vMid") : g.append("rect").attr("class", "vMid").style("fill", color);
    return shape.attr("x", -u * .6).attr("y", -v * .6).attr("width", u * 1.2).attr("height", v * 1.2);
}

function DrawGroup(g, u, v, color, justUpdate) {
    DrawBorder(g, u, v, color, justUpdate);
    var shape = justUpdate ? g.select(".gMid") : g.append("rect").attr("class", "gMid").style("fill", color);
    return shape.attr("x", -u * .6).attr("y", -v * .6).attr("width", u * 1.2).attr("height", v * 1.2);
}

function DrawBorder(g, u, v, color, justUpdate) {
    var shape1 = justUpdate ? g.select(".bordR1") : g.append("rect").attr("class", "bordR1").style("fill", color);
    var shape2 = justUpdate ? g.select(".bordR2") : g.append("rect").attr("class", "bordR2").style("fill", color);
    var shape3 = justUpdate ? g.select(".bordR3") : g.append("rect").attr("class", "bordR3").style("fill", color);
    var shape4 = justUpdate ? g.select(".bordR4") : g.append("rect").attr("class", "bordR4").style("fill", color);

    shape1.attr("x", -u).attr("y", -v).attr("width", u * 2).attr("height", v * .2);
    shape2.attr("x", -u).attr("y", -v).attr("width", u * .2).attr("height", v * 2);
    shape3.attr("x", u * .8).attr("y", -v).attr("width", u * .2).attr("height", v * 2);
    shape4.attr("x", -u).attr("y", v * .8).attr("width", u * 2).attr("height", v * .2);
}</script>
    <script type="text/javascript">var d3ContentDiv, svgDiv, svg;
var n2ElementsGroup, n2GridLinesGroup, n2ComponentBoxesGroup, n2ArrowsGroup, n2DotsGroup;

var n2Group;
var arrowMarker;

var WIDTH_N2_PX = HEIGHT_PX;
var PTREE_N2_GAP_PX = 10; //spacing between partition tree and n2 diagram
var n2Dx = 0, n2Dy = 0, n2Dx0 = 0, n2Dy0 = 0;
var d3NodesArray, d3RightTextNodesArrayZoomed = []
var d3RightTextNodesArrayZoomedBoxInfo
var drawableN2ComponentBoxes;
var matrix;

var gridLines;
var symbols_scalar,
    symbols_vector,
    symbols_group,
    symbols_scalarScalar,
    symbols_scalarVector,
    symbols_vectorScalar,
    symbols_vectorVector,
    symbols_scalarGroup,
    symbols_groupScalar,
    symbols_vectorGroup,
    symbols_groupVector,
    symbols_groupGroup;

var sharedTransition;
var FindRootOfChangeFunction = null;

var lastLeftClickedElement = document.getElementById("ptN2ContentDivId"),
    leftClickIsForward = true,
    lastClickWasLeft = true;

var enterIndex = 0,
    exitIndex = 0;

function DrawPathTwoLines(x1, y1, x2, y2, x3, y3, color, width, useArrow) {
    var path = n2ArrowsGroup.insert("path")
        .attr("class", "n2_hover_elements")
        .attr("d", "M" + x1 + " " + y1 + " L" + x2 + " " + y2 + " L" + x3 + " " + y3)
        .attr("fill", "none")
        .style("stroke-width", width)
        .style("stroke", color);

    n2DotsGroup.append("circle")
        .attr("class", "n2_hover_elements")
        .attr("cx", x2)
        .attr("cy", y2)
        .attr("r", width * 1.0)
        .style("stroke-width", 0)
        .style("fill-opacity", 1)
        .style("fill", "black");
    n2DotsGroup.append("circle")
        .attr("class", "n2_hover_elements")
        .attr("cx", x2)
        .attr("cy", y2)
        .attr("r", width * 1.0)
        .style("stroke-width", 0)
        .style("fill-opacity", .75)
        .style("fill", color);

    if (useArrow) {
        path.attr("marker-end", "url(#arrow)");
    }
}

function setD3ContentDiv() {
    d3ContentDiv = document.getElementById("ptN2ContentDivId").querySelector("#d3_content_div");
    svgDiv = d3.select(d3ContentDiv).append("div")
        .attr("class", "ptN2ChartClass");

    svg = svgDiv.append("svg:svg")
        .attr("id", "svgId");
}

function setN2Group() {
    n2Group = svg.append("g");
}

function setN2ElementsGroup() {
    n2ElementsGroup = n2Group.append("g");
    n2GridLinesGroup = n2Group.append("g");
    n2ComponentBoxesGroup = n2Group.append("g");
    n2ArrowsGroup = n2Group.append("g");
    n2DotsGroup = n2Group.append("g");
}

function DrawRect(x, y, width, height, fill) {
    n2Group.insert("rect")
        .attr("class", "n2_hover_elements")
        .attr("y", y)
        .attr("x", x)
        .attr("width", width)
        .attr("height", height)
        .attr("fill", fill)
        .attr("fill-opacity", "1");
}

function DrawArrows(startIndex, endIndex) {
    var lineWidth = Math.min(5, n2Dx * .5, n2Dy * .5);
    arrowMarker.attr("markerWidth", lineWidth * .4)
        .attr("markerHeight", lineWidth * .4);

    var boxStart = d3RightTextNodesArrayZoomedBoxInfo[startIndex];
    var boxEnd = d3RightTextNodesArrayZoomedBoxInfo[endIndex];

    //draw multiple horizontal lines but no more than one vertical line for box to box connections
    var startIndices = [];
    for (var startsI = boxStart.startI; startsI <= boxStart.stopI; ++startsI) {
        for (var endsI = boxEnd.startI; endsI <= boxEnd.stopI; ++endsI) {
            if (matrix[startsI + "_" + endsI] !== undefined) { //if(matrix[startsI][endsI].z > 0){
                startIndices.push(startsI);
                break;
            }
        }
    }

    for (var i = 0; i < startIndices.length; ++i) {
        var startI = startIndices[i];
        var boxEndDelta = boxEnd.stopI - boxEnd.startI;

        if (startIndex < endIndex) { //right down arrow
            var x1 = (startI + 1) * n2Dx; //x1
            var x2 = (endIndex + boxEndDelta * .5) * n2Dx + n2Dx * .5; //right x2
            var x3 = x2; //down x3

            var y1 = startI * n2Dy + n2Dy * .5; //y1
            var y2 = y1; //right y2
            var y3 = endIndex * n2Dy; //down y3

            DrawPathTwoLines(x1, y1, x2, y2, x3, y3, GREEN_ARROW_COLOR, lineWidth, true);
        }
        else if (startIndex > endIndex) { //left up arrow
            var x1 = startI * n2Dx; //x1
            var x2 = (endIndex + boxEndDelta * .5) * n2Dx + n2Dx * .5; //left x2
            var x3 = x2; //up x3

            var y1 = startI * n2Dy + n2Dy * .5; //y1
            var y2 = y1; //left y2
            var y3 = (endIndex + boxEndDelta + 1) * n2Dy; //y1

            DrawPathTwoLines(x1, y1, x2, y2, x3, y3, RED_ARROW_COLOR, lineWidth, true);
        }
    }
}

function DrawArrowsParamView(startIndex, endIndex) {
    var lineWidth = Math.min(5, n2Dx * .5, n2Dy * .5);
    arrowMarker.attr("markerWidth", lineWidth * .4)
        .attr("markerHeight", lineWidth * .4);

    var boxStart = d3RightTextNodesArrayZoomedBoxInfo[startIndex];
    var boxEnd = d3RightTextNodesArrayZoomedBoxInfo[endIndex];

    //draw multiple horizontal lines but no more than one vertical line for box to box connections
    var startIndices = [], endIndices = [];
    for (var startsI = boxStart.startI; startsI <= boxStart.stopI; ++startsI) {
        for (var endsI = boxEnd.startI; endsI <= boxEnd.stopI; ++endsI) {
            if (matrix[startsI + "_" + endsI] !== undefined) { //if(matrix[startsI][endsI].z > 0){
                startIndices.push(startsI);
                endIndices.push(endsI);
            }
        }
    }

    for (var i = 0; i < startIndices.length; ++i) {
        var startI = startIndices[i];
        var endI = endIndices[i];

        if (startIndex < endIndex) { //right down arrow
            var x1 = (startI + 1) * n2Dx; //x1
            var x2 = (endI + .5) * n2Dx; //right x2
            var x3 = x2; //down x3

            var y1 = (startI + .5) * n2Dy; //y1
            var y2 = y1; //right y2
            var y3 = endI * n2Dy; //down y3

            DrawPathTwoLines(x1, y1, x2, y2, x3, y3, GREEN_ARROW_COLOR, lineWidth, true);
        }
        else if (startIndex > endIndex) { //left up arrow
            //alert("yes");
            var x1 = startI * n2Dx; //x1
            var x2 = (endI + .5) * n2Dx; //left x2
            var x3 = x2; //up x3

            var y1 = (startI + .5) * n2Dy; //y1
            var y2 = y1; //left y2
            var y3 = (endI + 1) * n2Dy; //y1

            DrawPathTwoLines(x1, y1, x2, y2, x3, y3, RED_ARROW_COLOR, lineWidth, true);
        }
    }
}

function DrawMatrix() {
    var u0 = n2Dx0 * .5,
        v0 = n2Dy0 * .5,
        u = n2Dx * .5,
        v = n2Dy * .5; //(0,0) = center of cell... (u,v) = bottom right of cell... (-u,-v) = top left of cell

    function GetOnDiagonalCellColor(d) {
        var rt = d3RightTextNodesArrayZoomed[d.c];
        if (rt.isMinimized) return COLLAPSED_COLOR;
        if (rt.type === "param") return PARAM_COLOR;
        if (rt.type === "unconnected_param") return UNCONNECTED_PARAM_COLOR
        return (rt.implicit) ? UNKNOWN_IMPLICIT_COLOR : UNKNOWN_EXPLICIT_COLOR;
    }

    var classes = ["cell_scalar", "cell_vector", "cell_group", "cell_scalarScalar", "cell_scalarVector", "cell_vectorScalar",
        "cell_vectorVector", "cell_scalarGroup", "cell_groupScalar", "cell_vectorGroup", "cell_groupVector", "cell_groupGroup"
    ];
    var datas = [symbols_scalar, symbols_vector, symbols_group, symbols_scalarScalar, symbols_scalarVector, symbols_vectorScalar,
        symbols_vectorVector, symbols_scalarGroup, symbols_groupScalar, symbols_vectorGroup, symbols_groupVector, symbols_groupGroup
    ];
    var drawFunctions = [DrawScalar, DrawVector, DrawGroup, DrawScalar, DrawVector, DrawVector,
        DrawVector, DrawGroup, DrawGroup, DrawGroup, DrawGroup, DrawGroup
    ];
    for (var i = 0; i < classes.length; ++i) {
        var sel = n2ElementsGroup.selectAll("." + classes[i])
            .data(datas[i], function (d) {
                return d.id;
            });
        var gEnter = sel.enter().append("g")
            .attr("class", classes[i])
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(" + (n2Dx0 * (d.c - enterIndex) + u0) + "," + (n2Dy0 * (d.r - enterIndex) + v0) + ")";
                var roc = (d.obj && FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var index0 = roc.rootIndex0 - zoomedElement.rootIndex0;
                    return "translate(" + (n2Dx0 * index0 + u0) + "," + (n2Dy0 * index0 + v0) + ")";
                }
                alert("error: enter transform not found");
            });
        drawFunctions[i](gEnter, u0, v0, (i < 3) ? GetOnDiagonalCellColor : CONNECTION_COLOR, false)
            .on("mouseover", (i < 3) ? mouseOverOnDiagN2 : mouseOverOffDiagN2)
            .on("mouseleave", mouseOutN2)
            .on("click", mouseClickN2);


        var gUpdate = gEnter.merge(sel).transition(sharedTransition)
            .attr("transform", function (d) {
                return "translate(" + (n2Dx * (d.c) + u) + "," + (n2Dy * (d.r) + v) + ")";
            });
        drawFunctions[i](gUpdate, u, v, (i < 3) ? GetOnDiagonalCellColor : CONNECTION_COLOR, true);


        var nodeExit = sel.exit().transition(sharedTransition)
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(" + (n2Dx * (d.c - exitIndex) + u) + "," + (n2Dy * (d.r - exitIndex) + v) + ")";
                var roc = (d.obj && FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var index = roc.rootIndex - zoomedElement.rootIndex;
                    return "translate(" + (n2Dx * index + u) + "," + (n2Dy * index + v) + ")";
                }
                alert("error: exit transform not found");
            })
            .remove();
        drawFunctions[i](nodeExit, u, v, (i < 3) ? GetOnDiagonalCellColor : CONNECTION_COLOR, true);
    }

    {
        var sel = n2GridLinesGroup.selectAll(".horiz_line")
            .data(gridLines, function (d) {
                return d.obj.id;
            });

        var gEnter = sel.enter().append("g")
            .attr("class", "horiz_line")
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(0," + (n2Dy0 * (d.i - enterIndex)) + ")";
                var roc = (FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var index0 = roc.rootIndex0 - zoomedElement.rootIndex0;
                    return "translate(0," + (n2Dy0 * index0) + ")";
                }
                alert("error: enter transform not found");
            });
        gEnter.append("line")
            .attr("x2", WIDTH_N2_PX);

        var gUpdate = gEnter.merge(sel).transition(sharedTransition)
            .attr("transform", function (d) {
                return "translate(0," + (n2Dy * d.i) + ")";
            });
        gUpdate.select("line")
            .attr("x2", WIDTH_N2_PX);

        var nodeExit = sel.exit().transition(sharedTransition)
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(0," + (n2Dy * (d.i - exitIndex)) + ")";
                var roc = (FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var index = roc.rootIndex - zoomedElement.rootIndex;
                    return "translate(0," + (n2Dy * index) + ")";
                }
                alert("error: exit transform not found");
            })
            .remove();
    }

    {
        var sel = n2GridLinesGroup.selectAll(".vert_line")
            .data(gridLines, function (d) {
                return d.obj.id;
            });
        var gEnter = sel.enter().append("g")
            .attr("class", "vert_line")
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(" + (n2Dx0 * (d.i - enterIndex)) + ")rotate(-90)";
                var roc = (FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var i0 = roc.rootIndex0 - zoomedElement.rootIndex0;
                    return "translate(" + (n2Dx0 * i0) + ")rotate(-90)";
                }
                alert("error: enter transform not found");
            });
        gEnter.append("line")
            .attr("x1", -HEIGHT_PX);

        var gUpdate = gEnter.merge(sel).transition(sharedTransition)
            .attr("transform", function (d) {
                return "translate(" + (n2Dx * d.i) + ")rotate(-90)";
            });
        gUpdate.select("line")
            .attr("x1", -HEIGHT_PX);

        var nodeExit = sel.exit().transition(sharedTransition)
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(" + (n2Dx * (d.i - exitIndex)) + ")rotate(-90)";
                var roc = (FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var i = roc.rootIndex - zoomedElement.rootIndex;
                    return "translate(" + (n2Dx * i) + ")rotate(-90)";
                }
                alert("error: exit transform not found");
            })
            .remove();
    }

    {
        var sel = n2ComponentBoxesGroup.selectAll(".component_box")
            .data(drawableN2ComponentBoxes, function (d) {
                return d.obj.id;
            });
        var gEnter = sel.enter().append("g")
            .attr("class", "component_box")
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(" + (n2Dx0 * (d.startI - enterIndex)) + "," + (n2Dy0 * (d.startI - enterIndex)) + ")";
                var roc = (d.obj && FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var index0 = roc.rootIndex0 - zoomedElement.rootIndex0;
                    return "translate(" + (n2Dx0 * index0) + "," + (n2Dy0 * index0) + ")";
                }
                alert("error: enter transform not found");
            });

        gEnter.append("rect")
            .attr("width", function (d) {
                if (lastClickWasLeft) return n2Dx0 * (1 + d.stopI - d.startI);
                return n2Dx0;
            })
            .attr("height", function (d) {
                if (lastClickWasLeft) return n2Dy0 * (1 + d.stopI - d.startI);
                return n2Dy0;
            });

        var gUpdate = gEnter.merge(sel).transition(sharedTransition)
            .attr("transform", function (d) {
                return "translate(" + (n2Dx * d.startI) + "," + (n2Dy * d.startI) + ")";
            });

        gUpdate.select("rect")
            .attr("width", function (d) {
                return n2Dx * (1 + d.stopI - d.startI);
            })
            .attr("height", function (d) {
                return n2Dy * (1 + d.stopI - d.startI);
            });


        var nodeExit = sel.exit().transition(sharedTransition)
            .attr("transform", function (d) {
                if (lastClickWasLeft) return "translate(" + (n2Dx * (d.startI - exitIndex)) + "," + (n2Dy * (d.startI - exitIndex)) + ")";
                var roc = (d.obj && FindRootOfChangeFunction) ? FindRootOfChangeFunction(d.obj) : null;
                if (roc) {
                    var index = roc.rootIndex - zoomedElement.rootIndex;
                    return "translate(" + (n2Dx * index) + "," + (n2Dy * index) + ")";
                }
                alert("error: exit transform not found");
            })
            .remove();

        nodeExit.select("rect")
            .attr("width", function (d) {
                if (lastClickWasLeft) return n2Dx * (1 + d.stopI - d.startI);
                return n2Dx;
            })
            .attr("height", function (d) {
                if (lastClickWasLeft) return n2Dy * (1 + d.stopI - d.startI);
                return n2Dy;
            });
    }
}</script>
    <script type="text/javascript">function PtN2Diagram(paramParentDiv, paramRootJson, paramConnsJson) {
    var parentDiv = paramParentDiv;
    var root = paramRootJson;
    var conns = paramConnsJson;
    var FONT_SIZE_PX = 11;
    var svgStyleElement = document.createElement("style");
    var outputNamingType = "Absolute";
    var showPath = false; //default off

    var DEFAULT_TRANSITION_START_DELAY = 100;
    var transitionStartDelay = DEFAULT_TRANSITION_START_DELAY;
    var idCounter = 0;
    var maxDepth = 1;
    var RIGHT_TEXT_MARGIN_PX = 8; // How much space in px (left and) right of text in partition tree

    //N^2 vars
    var backButtonHistory = [], forwardButtonHistory = [];
    var chosenCollapseDepth = -1;
    var updateRecomputesAutoComplete = true; //default
    var katexInputDivElement = document.getElementById("katexInputDiv");
    var katexInputElement = document.getElementById("katexInput");

    mouseOverOnDiagN2 = MouseoverOnDiagN2;
    mouseOverOffDiagN2 = MouseoverOffDiagN2;
    mouseClickN2 = MouseClickN2;
    mouseOutN2 = MouseoutN2;

    CreateDomLayout();
    CreateToolbar();

    setD3ContentDiv();

    parentDiv.querySelector("#svgId").appendChild(svgStyleElement);
    UpdateSvgCss(svgStyleElement, FONT_SIZE_PX);

    arrowMarker = svg.append("svg:defs").append("svg:marker");

    arrowMarker
        .attr("id", "arrow")
        .attr("viewBox", "0 -5 10 10")
        .attr("refX", 5)
        .attr("refY", 0)
        .attr("markerWidth", 1)
        .attr("markerHeight", 1)
        .attr("orient", "auto")
        .append("path")
        .attr("d", "M0,-5L10,0L0,5")
        .attr("class", "arrowHead");

    setN2Group();
    var pTreeGroup = svg.append("g");

    function updateRootTypes() {
        if (!showParams) return;

        var stack = []
        for (var i = 0; i < root.children.length; ++i) {
            stack.push(root.children[i]);
        }

        while (stack.length > 0) {
            var cur_ele = stack.pop();
            if (cur_ele.type === "param") {
                if (!hasInputConnection(cur_ele.absPathName) && !hasOutputConnection(cur_ele.absPathName)) {
                    cur_ele.type = "unconnected_param";
                }
            }

            if (cur_ele.hasOwnProperty('children')) {
                for (var j = 0; j < cur_ele.children.length; ++j) {
                    stack.push(cur_ele.children[j]);
                }
            }
        }
    }

    function hasInputConnection(target) {
        for (i = 0; i < conns.length; ++i) {
            if (conns[i].tgt === target) {
                return true;
            }
        }

        return false;
    }
    
    function hasOutputConnection(target) {
        for (i = 0; i < conns.length; ++i) {
            if (conns[i].src === target) {
                return true;
            }
        }
    }
    hasInputConn = hasInputConnection;

    var n2BackgroundRectR0 = -1, n2BackgroundRectC0 = -1;
    var newConnsDict = {};
    function PrintConnects() {
        var text = "Connections:";
        for (var key in newConnsDict) {
            var d = newConnsDict[key];
            var param = d3RightTextNodesArrayZoomed[d.c],
                unknown = d3RightTextNodesArrayZoomed[d.r];
            var paramName = (zoomedElement.promotions && zoomedElement.promotions[param.absPathName] !== undefined) ?
                "<b>" + zoomedElement.promotions[param.absPathName] + "</b>" :
                ((zoomedElement === root) ? param.absPathName : param.absPathName.slice(zoomedElement.absPathName.length + 1));
            var unknownName = (zoomedElement.promotions && zoomedElement.promotions[unknown.absPathName] !== undefined) ?
                "<b>" + zoomedElement.promotions[unknown.absPathName] + "</b>" :
                ((zoomedElement === root) ? unknown.absPathName : unknown.absPathName.slice(zoomedElement.absPathName.length + 1));

            text += "<br />self.connect(\"" + unknownName + "\", \"" + paramName + "\")";
        }
        if(true) {
             parentDiv.querySelector("#connectionId").innerHTML = text;
        }
        else {
            parentDiv.querySelector("#connectionId").innerHTML = "";
        }
    }
    var n2BackgroundRect = n2Group.append("rect")
        .attr("class", "background")
        .attr("width", WIDTH_N2_PX)
        .attr("height", HEIGHT_PX)
        .on("click", function () {
            if (!showParams) return;
            var coords = d3.mouse(this);
            var c = Math.floor(coords[0] * d3RightTextNodesArrayZoomed.length / WIDTH_N2_PX);
            var r = Math.floor(coords[1] * d3RightTextNodesArrayZoomed.length / HEIGHT_PX);
            if (r == c || r < 0 || c < 0 || r >= d3RightTextNodesArrayZoomed.length || c >= d3RightTextNodesArrayZoomed.length) return;
            if (matrix[r + "_" + c] !== undefined) return;

            var param = d3RightTextNodesArrayZoomed[c],
                unknown = d3RightTextNodesArrayZoomed[r];
            if (param.type !== "param" && unknown.type !== "unknown") return;

            var newClassName = "n2_hover_elements_" + r + "_" + c;
            var selection = n2Group.selectAll("." + newClassName);
            if (selection.size() > 0) {
                delete newConnsDict[r + "_" + c];
                selection.remove();
            }
            else {
                newConnsDict[r + "_" + c] = { "r": r, "c": c };
                n2Group.selectAll("path.n2_hover_elements, circle.n2_hover_elements")
                    .attr("class", newClassName);
            }
            PrintConnects();
        })
        .on("mouseover", function () {
            n2BackgroundRectR0 = -1;
            n2BackgroundRectC0 = -1;
            n2Group.selectAll(".n2_hover_elements").remove();
            PrintConnects();
        })
        .on("mouseleave", function () {
            n2BackgroundRectR0 = -1;
            n2BackgroundRectC0 = -1;
            n2Group.selectAll(".n2_hover_elements").remove();
            PrintConnects();
        })
        .on("mousemove", function () {
            if (!showParams) return;
            var coords = d3.mouse(this);
            var c = Math.floor(coords[0] * d3RightTextNodesArrayZoomed.length / WIDTH_N2_PX);
            var r = Math.floor(coords[1] * d3RightTextNodesArrayZoomed.length / HEIGHT_PX);
            if (r == c || r < 0 || c < 0 || r >= d3RightTextNodesArrayZoomed.length || c >= d3RightTextNodesArrayZoomed.length) return;
            if (matrix[r + "_" + c] !== undefined) return;
            if (n2BackgroundRectR0 == r && n2BackgroundRectC0 == c) return;
            //n2Group.selectAll(".n2_hover_elements_" + n2BackgroundRectR0 + "_" + n2BackgroundRectC0).remove();
            n2Group.selectAll(".n2_hover_elements").remove();
            n2BackgroundRectR0 = r;
            n2BackgroundRectC0 = c;

            var lineWidth = Math.min(5, n2Dx * .5, n2Dy * .5);
            arrowMarker.attr("markerWidth", lineWidth * .4)
                .attr("markerHeight", lineWidth * .4);

            var param = d3RightTextNodesArrayZoomed[c],
                unknown = d3RightTextNodesArrayZoomed[r];
            if (param.type !== "param" && unknown.type !== "unknown") return;
            if (r > c && true) { //bottom left
                DrawPathTwoLines(
                    n2Dx * r, //x1
                    n2Dy * r + n2Dy * .5, //y1
                    n2Dx * c + n2Dx * .5, //left x2
                    n2Dy * r + n2Dy * .5, //left y2
                    n2Dx * c + n2Dx * .5, //up x3
                    n2Dy * c + n2Dy - 1e-2, //up y3
                    "blue", lineWidth, true);
            }
            else if (r < c && true) { //top right
                DrawPathTwoLines(
                    n2Dx * r + n2Dx, //x1
                    n2Dy * r + n2Dy * .5, //y1
                    n2Dx * c + n2Dx * .5, //right x2
                    n2Dy * r + n2Dy * .5, //right y2
                    n2Dx * c + n2Dx * .5, //down x3
                    n2Dy * c + 1e-2, //down y3
                    "blue", lineWidth, true);
            }
            var leftTextWidthR = d3RightTextNodesArrayZoomed[r].nameWidthPx,
                leftTextWidthC = d3RightTextNodesArrayZoomed[c].nameWidthPx;
            DrawRect(-leftTextWidthR - PTREE_N2_GAP_PX, n2Dy * r, leftTextWidthR, n2Dy, "blue"); //highlight var name
            DrawRect(-leftTextWidthC - PTREE_N2_GAP_PX, n2Dy * c, leftTextWidthC, n2Dy, "blue"); //highlight var name

            PrintConnects();

            if (newConnsDict[r + "_" + c] === undefined) {
                var paramName = (zoomedElement.promotions && zoomedElement.promotions[param.absPathName] !== undefined) ?
                    "<b>" + zoomedElement.promotions[param.absPathName] + "</b>" :
                    ((zoomedElement === root) ? param.absPathName : param.absPathName.slice(zoomedElement.absPathName.length + 1));
                var unknownName = (zoomedElement.promotions && zoomedElement.promotions[unknown.absPathName] !== undefined) ?
                    "<b>" + zoomedElement.promotions[unknown.absPathName] + "</b>" :
                    ((zoomedElement === root) ? unknown.absPathName : unknown.absPathName.slice(zoomedElement.absPathName.length + 1));

                if(true) {
                    parentDiv.querySelector("#connectionId").innerHTML += "<br /><i style=\"color:red;\">self.connect(\"" + unknownName + "\", \"" + paramName + "\")</i>";
                }
            }
        });

    setN2ElementsGroup();
    var zoomedElement0 = root;
    var lastRightClickedElement = root;

    ExpandColonVars(root);
    FlattenColonGroups(root);
    InitTree(root, null, 1);
    updateRootTypes();
    ComputeLayout();
    ComputeConnections();
    ComputeMatrixN2();

    var collapseDepthElement = parentDiv.querySelector("#idCollapseDepthDiv");
    for (var i = 2; i <= maxDepth; ++i) {
        var option = document.createElement("span");
        option.className = "fakeLink";
        option.id = "idCollapseDepthOption" + i + "";
        option.innerHTML = "" + i + "";
        var f = function (idx) {
            return function () {
                CollapseToDepthSelectChange(idx);
            };
        }(i);
        option.onclick = f;
        collapseDepthElement.appendChild(option);
    }

    Update();
    SetupLegend(d3, d3ContentDiv);

    function Update() {
        parentDiv.querySelector("#currentPathId").innerHTML = "PATH: root" + ((zoomedElement.parent) ? "." : "") + zoomedElement.absPathName;

        parentDiv.querySelector("#backButtonId").disabled = (backButtonHistory.length == 0) ? "disabled" : false;
        parentDiv.querySelector("#forwardButtonId").disabled = (forwardButtonHistory.length == 0) ? "disabled" : false;
        parentDiv.querySelector("#upOneLevelButtonId").disabled = (zoomedElement === root) ? "disabled" : false;
        parentDiv.querySelector("#returnToRootButtonId").disabled = (zoomedElement === root) ? "disabled" : false;

        // Compute the new tree layout.
        ComputeLayout(); //updates d3NodesArray
        ComputeMatrixN2();

        for (var i = 2; i <= maxDepth; ++i) {
            parentDiv.querySelector("#idCollapseDepthOption" + i + "").style.display = (i <= zoomedElement.depth) ? "none" : "block";
        }

        if (xScalerPTree0 != null) {//not first run.. store previous
            kx0 = kx;
            ky0 = ky;
            xScalerPTree0 = xScalerPTree.copy();
            yScalerPTree0 = yScalerPTree.copy();
        }

        kx = (zoomedElement.x ? widthPTreePx - PARENT_NODE_WIDTH_PX : widthPTreePx) / (1 - zoomedElement.x);
        ky = HEIGHT_PX / zoomedElement.height;
        xScalerPTree.domain([zoomedElement.x, 1]).range([zoomedElement.x ? PARENT_NODE_WIDTH_PX : 0, widthPTreePx]);
        yScalerPTree.domain([zoomedElement.y, zoomedElement.y + zoomedElement.height]).range([0, HEIGHT_PX]);

        if (xScalerPTree0 == null) { //first run.. duplicate
            kx0 = kx;
            ky0 = ky;
            xScalerPTree0 = xScalerPTree.copy();
            yScalerPTree0 = yScalerPTree.copy();

            //Update svg dimensions before ComputeLayout() changes widthPTreePx
            svgDiv.style("width", (widthPTreePx + PTREE_N2_GAP_PX + WIDTH_N2_PX + 2 * SVG_MARGIN) + "px")
                .style("height", (HEIGHT_PX + 2 * SVG_MARGIN) + "px");
            svg.attr("width", widthPTreePx + PTREE_N2_GAP_PX + WIDTH_N2_PX + 2 * SVG_MARGIN)
                .attr("height", HEIGHT_PX + 2 * SVG_MARGIN);
            n2Group.attr("transform", "translate(" + (widthPTreePx + PTREE_N2_GAP_PX + SVG_MARGIN) + "," + SVG_MARGIN + ")");
            pTreeGroup.attr("transform", "translate(" + SVG_MARGIN + "," + SVG_MARGIN + ")");
        }

        sharedTransition = d3.transition().duration(TRANSITION_DURATION).delay(transitionStartDelay); //do this after intense computation
        transitionStartDelay = DEFAULT_TRANSITION_START_DELAY;

        //Update svg dimensions with transition after ComputeLayout() changes widthPTreePx
        svgDiv.transition(sharedTransition).style("width", (widthPTreePx + PTREE_N2_GAP_PX + WIDTH_N2_PX + 2 * SVG_MARGIN) + "px")
            .style("height", (HEIGHT_PX + 2 * SVG_MARGIN) + "px");
        svg.transition(sharedTransition).attr("width", widthPTreePx + PTREE_N2_GAP_PX + WIDTH_N2_PX + 2 * SVG_MARGIN)
            .attr("height", HEIGHT_PX + 2 * SVG_MARGIN);
        n2Group.transition(sharedTransition).attr("transform", "translate(" + (widthPTreePx + PTREE_N2_GAP_PX + SVG_MARGIN) + "," + SVG_MARGIN + ")");
        pTreeGroup.transition(sharedTransition).attr("transform", "translate(" + SVG_MARGIN + "," + SVG_MARGIN + ")");
        n2BackgroundRect.transition(sharedTransition).attr("width", WIDTH_N2_PX).attr("height", HEIGHT_PX);

        var sel = pTreeGroup.selectAll(".partition_group")
            .data(d3NodesArray, function (d) {
                return d.id;
            });

        var nodeEnter = sel.enter().append("svg:g")
            .attr("class", function (d) {
                return "partition_group " + GetClass(d);
            })
            .attr("transform", function (d) {
                return "translate(" + xScalerPTree0(d.x0) + "," + yScalerPTree0(d.y0) + ")";
            })
            .on("click", function (d) { LeftClick(d, this); })
            .on("contextmenu", function (d) { RightClick(d, this); });

        nodeEnter.append("svg:rect")
            .attr("width", function (d) {
                return d.width0 * kx0;//0;//
            })
            .attr("height", function (d) {
                return d.height0 * ky0;
            });

        nodeEnter.append("svg:text")
            .attr("dy", ".35em")
            //.attr("text-anchor", "end")
            .attr("transform", function (d) {
                var anchorX = d.width0 * kx0 - RIGHT_TEXT_MARGIN_PX;
                //var anchorX = -RIGHT_TEXT_MARGIN_PX;
                return "translate(" + anchorX + "," + d.height0 * ky0 / 2 + ")";
            })
            .style("opacity", function (d) {
                if (d.depth < zoomedElement.depth) return 0;
                return d.textOpacity0;
            })
            .text(GetText);

        var nodeUpdate = nodeEnter.merge(sel).transition(sharedTransition)
            .attr("class", function (d) {
                return "partition_group " + GetClass(d);
            })
            .attr("transform", function (d) {
                return "translate(" + xScalerPTree(d.x) + "," + yScalerPTree(d.y) + ")";
            });

        nodeUpdate.select("rect")
            .attr("width", function (d) {
                return d.width * kx;
            })
            .attr("height", function (d) {
                return d.height * ky;
            });

        nodeUpdate.select("text")
            .attr("transform", function (d) {
                var anchorX = d.width * kx - RIGHT_TEXT_MARGIN_PX;
                return "translate(" + anchorX + "," + d.height * ky / 2 + ")";
            })
            .style("opacity", function (d) {
                if (d.depth < zoomedElement.depth) return 0;
                return d.textOpacity;
            })
            .text(GetText);


        // Transition exiting nodes to the parent's new position.
        var nodeExit = sel.exit().transition(sharedTransition)
            .attr("transform", function (d) {
                return "translate(" + xScalerPTree(d.x) + "," + yScalerPTree(d.y) + ")";
            })
            .remove();

        nodeExit.select("rect")
            .attr("width", function (d) {
                return d.width * kx;//0;//
            })
            .attr("height", function (d) {
                return d.height * ky;
            });

        nodeExit.select("text")
            .attr("transform", function (d) {
                var anchorX = d.width * kx - RIGHT_TEXT_MARGIN_PX;
                return "translate(" + anchorX + "," + d.height * ky / 2 + ")";
                //return "translate(8," + d.height * ky / 2 + ")";
            })
            .style("opacity", 0);


        ClearArrowsAndConnects()
        DrawMatrix();
    }

    updateFunc = Update;

    function ClearArrows() {
        n2Group.selectAll("[class^=n2_hover_elements]").remove();
    }

    function ClearArrowsAndConnects() {
        ClearArrows();
        newConnsDict = {};
        PrintConnects();
    }

    function ExpandColonVars(d) {
        function findNameInIndex(arr, name) {
            for (var i = 0; i < arr.length; ++i) {
                if (arr[i].name === name) return i;
            }
            return -1;
        }

        function addChildren(originalParent, parent, arrayOfNames, arrayOfNamesIndex, type) {
            if (arrayOfNames.length == arrayOfNamesIndex) return;

            var name = arrayOfNames[arrayOfNamesIndex];

            if (!parent.hasOwnProperty("children")) {
                parent.children = [];
            }

            var parentI = findNameInIndex(parent.children, name);
            if (parentI == -1) { //new name not found in parent, create new
                var newObj = {
                    "name": name,
                    "type": type,
                    "splitByColon": true,
                    "originalParent": originalParent
                };
                if (type === "param" && type === "unconnected_param") {
                    parent.children.splice(0, 0, newObj);
                }
                else {
                    parent.children.push(newObj);
                }
                addChildren(originalParent, newObj, arrayOfNames, arrayOfNamesIndex + 1, type);
            } else { //new name already found in parent, keep traversing
                addChildren(originalParent, parent.children[parentI], arrayOfNames, arrayOfNamesIndex + 1, type);
            }
        }

        if (!d.children) return;
        for (var i = 0; i < d.children.length; ++i) {

            var splitArray = d.children[i].name.split(":");
            if (splitArray.length > 1) {
                if (!d.hasOwnProperty("subsystem_type") || d.subsystem_type !== "component") {
                    alert("error: there is a colon named object whose parent is not a component");
                    return;
                }
                var type = d.children[i].type;
                d.children.splice(i--, 1);
                addChildren(d, d, splitArray, 0, type);
            }
        }
        for (var i = 0; i < d.children.length; ++i) {
            ExpandColonVars(d.children[i]);
        }
    }

    function FlattenColonGroups(d) {
        if (!d.children) return;
        while (d.splitByColon && d.children && d.children.length == 1 && d.children[0].splitByColon) {
            //alert("combine " + d.name + " " + d.children[0].name);
            var child = d.children[0];
            d.name += ":" + child.name;
            d.children = (child.hasOwnProperty("children") && child.children.length >= 1) ? child.children : null; //absorb childs children
            if (d.children == null) delete d.children;
        }
        if (!d.children) return;
        for (var i = 0; i < d.children.length; ++i) {
            FlattenColonGroups(d.children[i]);
        }
    }

    function GetText(d) {
        var retVal = d.name;
        if (outputNamingType === "Promoted" && (d.type === "unknown" || d.type === "param" || d.type === "unconnected_param") && zoomedElement.promotions && zoomedElement.promotions[d.absPathName] !== undefined) {
            retVal = zoomedElement.promotions[d.absPathName];
        }
        if (d.splitByColon && d.children && d.children.length > 0) retVal += ":";
        return retVal;
    }

    //Sets parents, depth, and nameWidthPx of all nodes.  Also finds and sets maxDepth.
    function InitTree(d, parent, depth) {
        d.numLeaves = 0; //for nested params
        d.depth = depth;
        d.parent = parent;
        d.id = ++idCounter; //id starts at 1 for if comparision
        d.absPathName = "";
        if (d.parent) { //not root node? d.parent.absPathName : "";
            if (d.parent.absPathName !== "") {
                d.absPathName += d.parent.absPathName;
                d.absPathName += (d.parent.splitByColon) ? ":" : ".";
            }
            d.absPathName += d.name;
        }
        if (d.type === "unknown" || d.type === "param" || d.type === "unconnected_param") {
            var parentComponent = (d.originalParent) ? d.originalParent : d.parent;
            if (parentComponent.type === "subsystem" && parentComponent.subsystem_type === "component") {
                d.parentComponent = parentComponent;
            }
            else {
                alert("error: there is a param or unknown without a parent component!");
            }
        }
        if (d.splitByColon) {
            d.colonName = d.name;
            for (var obj = d.parent; obj.splitByColon; obj = obj.parent) {
                d.colonName = obj.name + ":" + d.colonName;
            }
        }
        maxDepth = Math.max(depth, maxDepth);
        if (d.children) {
            for (var i = 0; i < d.children.length; ++i) {
                var implicit = InitTree(d.children[i], d, depth + 1);
                if (implicit) {
                    d.implicit = true;
                }
            }
        }
        return (d.implicit) ? true : false;
    }


    function ComputeLayout() {
        var columnWidthsPx = new Array(maxDepth + 1).fill(0.0),// since depth is one based
            columnLocationsPx = new Array(maxDepth + 1).fill(0.0);

        var textWidthGroup = svg.append("svg:g").attr("class", "partition_group");
        var textWidthText = textWidthGroup.append("svg:text")
            .text("")
            .attr("x", -50); // Put text off screen
        var textWidthTextNode = textWidthText.node();

        var autoCompleteSetNames = {}, autoCompleteSetPathNames = {};

        function PopulateAutoCompleteList(d) {
            if (d.children && !d.isMinimized) { //depth first, dont go into minimized children
                for (var i = 0; i < d.children.length; ++i) {
                    PopulateAutoCompleteList(d.children[i]);
                }
            }
            if (d === zoomedElement) return;
            if (!showParams && (d.type === "param" || d.type === "unconnected_param")) return;

            var n = d.name;
            if (d.splitByColon && d.children && d.children.length > 0) n += ":";
            if ((d.type !== "param" && d.type !== "unconnected_param") && d.type !== "unknown") n += ".";
            var namesToAdd = [n];

            if (d.splitByColon) namesToAdd.push(d.colonName + ((d.children && d.children.length > 0) ? ":" : ""));

            namesToAdd.forEach(function (name) {
                if (!autoCompleteSetNames.hasOwnProperty(name)) {
                    autoCompleteSetNames[name] = true;
                    autoCompleteListNames.push(name);
                }
            });

            var localPathName = (zoomedElement === root) ? d.absPathName : d.absPathName.slice(zoomedElement.absPathName.length + 1);
            if (!autoCompleteSetPathNames.hasOwnProperty(localPathName)) {
                autoCompleteSetPathNames[localPathName] = true;
                autoCompleteListPathNames.push(localPathName);
            }
        }

        function GetTextWidth(s) {
            textWidthText.text(s);
            return textWidthTextNode.getBoundingClientRect().width;
        }

        function UpdateTextWidths(d) {
            if ((!showParams && (d.type === "param" || d.type === "unconnected_param")) || d.varIsHidden) return;
            d.nameWidthPx = GetTextWidth(GetText(d)) + 2 * RIGHT_TEXT_MARGIN_PX;
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    UpdateTextWidths(d.children[i]);
                }
            }
        }

        function ComputeColumnWidths(d) {
            var greatestDepth = 0;
            var leafWidthsPx = new Array(maxDepth + 1).fill(0.0);

            function DoComputeColumnWidths(d) {
                if ((!showParams && (d.type === "param" || d.type === "unconnected_param")) || d.varIsHidden) return;

                var heightPx = HEIGHT_PX * d.numLeaves / zoomedElement.numLeaves;
                d.textOpacity0 = d.hasOwnProperty('textOpacity') ? d.textOpacity : 0;
                d.textOpacity = (heightPx > FONT_SIZE_PX) ? 1 : 0;
                var hasVisibleDetail = (heightPx >= 2.0);
                var widthPx = 1e-3;
                if (hasVisibleDetail) widthPx = MIN_COLUMN_WIDTH_PX;
                if (d.textOpacity > 0.5) widthPx = d.nameWidthPx;

                greatestDepth = Math.max(greatestDepth, d.depth);

                if (d.children && !d.isMinimized) { //not leaf
                    columnWidthsPx[d.depth] = Math.max(columnWidthsPx[d.depth], widthPx);
                    for (var i = 0; i < d.children.length; ++i) {
                        DoComputeColumnWidths(d.children[i]);
                    }
                }
                else { //leaf
                    leafWidthsPx[d.depth] = Math.max(leafWidthsPx[d.depth], widthPx);
                }
            }

            DoComputeColumnWidths(d);


            var sum = 0;
            var lastColumnWidth = 0;
            for (var i = leafWidthsPx.length - 1; i >= zoomedElement.depth; --i) {
                sum += columnWidthsPx[i];
                var lastWidthNeeded = leafWidthsPx[i] - sum;
                lastColumnWidth = Math.max(lastWidthNeeded, lastColumnWidth);
            }
            columnWidthsPx[zoomedElement.depth - 1] = PARENT_NODE_WIDTH_PX;
            columnWidthsPx[greatestDepth] = lastColumnWidth;

        }


        function ComputeLeaves(d) {
            if ((!showParams && (d.type === "param" || d.type === "unconnected_params")) || d.varIsHidden) {
                d.numLeaves = 0;
                return;
            }
            var doRecurse = d.children && !d.isMinimized;
            d.numLeaves = doRecurse ? 0 : 1; //no children: init to 0 because will be added later
            if (!doRecurse) return;

            for (var i = 0; i < d.children.length; ++i) {
                ComputeLeaves(d.children[i]);
                d.numLeaves += d.children[i].numLeaves;
            }
        }

        function ComputeNormalizedPositions(d, leafCounter, isChildOfZoomed, earliestMinimizedParent) {
            isChildOfZoomed = (isChildOfZoomed) ? true : (d === zoomedElement);
            if (earliestMinimizedParent == null && isChildOfZoomed) {
                if ((showParams || (d.type !== "param" && d.type !== "unconnected_param")) && !d.varIsHidden) d3NodesArray.push(d);
                if (!d.children || d.isMinimized) { //at a "leaf" node
                    if ((showParams || (d.type !== "param" && d.type !== "unconnected_param")) && !d.varIsHidden) d3RightTextNodesArrayZoomed.push(d);
                    earliestMinimizedParent = d;
                }
            }
            var node = (earliestMinimizedParent) ? earliestMinimizedParent : d;
            d.rootIndex0 = d.hasOwnProperty('rootIndex') ? d.rootIndex : leafCounter;
            d.rootIndex = leafCounter;
            d.x0 = d.hasOwnProperty('x') ? d.x : 1e-6;
            d.y0 = d.hasOwnProperty('y') ? d.y : 1e-6;
            d.width0 = d.hasOwnProperty('width') ? d.width : 1e-6;
            d.height0 = d.hasOwnProperty('height') ? d.height : 1e-6;
            d.x = columnLocationsPx[node.depth] / widthPTreePx;
            d.y = leafCounter / root.numLeaves;
            d.width = (d.children && !d.isMinimized) ? (columnWidthsPx[node.depth] / widthPTreePx) : 1 - node.x;//1-d.x;
            d.height = node.numLeaves / root.numLeaves;
            if ((!showParams && (d.type === "param" || d.type === "unconnected_param")) || d.varIsHidden) { //param or hidden leaf leaving
                d.x = columnLocationsPx[d.parentComponent.depth + 1] / widthPTreePx;
                d.y = d.parentComponent.y;
                d.width = 1e-6;
                d.height = 1e-6;
            }

            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    ComputeNormalizedPositions(d.children[i], leafCounter, isChildOfZoomed, earliestMinimizedParent);
                    if (earliestMinimizedParent == null) { //numleaves is only valid passed nonminimized nodes
                        leafCounter += d.children[i].numLeaves;
                    }
                }
            }
        }



        UpdateTextWidths(zoomedElement);
        ComputeLeaves(root);
        d3NodesArray = [];
        d3RightTextNodesArrayZoomed = [];

        //COLUMN WIDTH COMPUTATION
        ComputeColumnWidths(zoomedElement);
        // Now the column_width array is relative to the zoomedElement
        //    and the computation of the widths only includes visible items after the zoom
        widthPTreePx = 0;
        for (var depth = 1; depth <= maxDepth; ++depth) {
            columnLocationsPx[depth] = widthPTreePx;
            widthPTreePx += columnWidthsPx[depth];
        }

        ComputeNormalizedPositions(root, 0, false, null);
        if (zoomedElement.parent) {
            d3NodesArray.push(zoomedElement.parent);
        }

        if (updateRecomputesAutoComplete) {
            autoCompleteListNames = [];
            autoCompleteListPathNames = [];
            PopulateAutoCompleteList(zoomedElement);
        }
        updateRecomputesAutoComplete = true; //default

        enterIndex = exitIndex = 0;
        if (lastClickWasLeft) { //left click
            if (leftClickIsForward) {
                exitIndex = lastLeftClickedElement.rootIndex - zoomedElement0.rootIndex;
            }
            else {
                enterIndex = zoomedElement0.rootIndex - lastLeftClickedElement.rootIndex;
            }
        }

        textWidthGroup.remove();
    }

    var lastLeftClickedEle;
    var lastRightClickedEle;
    var lastRightClickedObj;

    //right click => collapse
    function RightClick(d, ele) {
        var e = d3.event;
        lastLeftClickedEle = d;
        lastRightClickedObj = d;
        lastRightClickedEle = ele;
        e.preventDefault();
        collapse();
    }

    var menu = document.querySelector('#context-menu');
    var menuState = 0;
    var contextMenuActive = "context-menu--active";

    function collapse() {
        var d = lastLeftClickedEle;
        if (!d.children) return;
        if (d.depth > zoomedElement.depth) { //dont allow minimizing on root node
            lastRightClickedElement = d;
            FindRootOfChangeFunction = FindRootOfChangeForRightClick;
            TRANSITION_DURATION = TRANSITION_DURATION_FAST;
            lastClickWasLeft = false;
            Toggle(d);
            Update(d);
        }
    }

    function SetupLeftClick(d) {
        lastLeftClickedElement = d;
        lastClickWasLeft = true;
        if (lastLeftClickedElement.depth > zoomedElement.depth) {
            leftClickIsForward = true; //forward
        }
        else if (lastLeftClickedElement.depth < zoomedElement.depth) {
            leftClickIsForward = false; //backwards
        }
        zoomedElement0 = zoomedElement;
        zoomedElement = d;
        TRANSITION_DURATION = TRANSITION_DURATION_FAST;
    }

    //left click => navigate
    function LeftClick(d, ele) {
        if (!d.children) return;
        if (d3.event.button != 0) return;
        backButtonHistory.push({ "el": zoomedElement });
        forwardButtonHistory = [];
        SetupLeftClick(d);
        Update();
        d3.event.preventDefault();
        d3.event.stopPropagation();
    }

    function BackButtonPressed() {
        if (backButtonHistory.length == 0) return;
        var d = backButtonHistory.pop().el;
        parentDiv.querySelector("#backButtonId").disabled = (backButtonHistory.length == 0) ? "disabled" : false;
        for (var obj = d; obj != null; obj = obj.parent) { //make sure history item is not minimized
            if (obj.isMinimized) return;
        }
        forwardButtonHistory.push({ "el": zoomedElement });
        SetupLeftClick(d);
        Update();
    }

    function ForwardButtonPressed() {
        if (forwardButtonHistory.length == 0) return;
        var d = forwardButtonHistory.pop().el;
        parentDiv.querySelector("#forwardButtonId").disabled = (forwardButtonHistory.length == 0) ? "disabled" : false;
        for (var obj = d; obj != null; obj = obj.parent) { //make sure history item is not minimized
            if (obj.isMinimized) return;
        }
        backButtonHistory.push({ "el": zoomedElement });
        SetupLeftClick(d);
        Update();
    }

    function GetClass(d) {
        if (d.isMinimized) return "minimized";
        if (d.type === "param") {
            if (d.children && d.children.length > 0) return "param_group";
            return "param";
        }
        if (d.type === "unconnected_param") {
            if (d.children && d.children.length > 0) return "param_group";
            return "unconnected_param"
        }
        if (d.type === "unknown") {
            if (d.children && d.children.length > 0) return "unknown_group";
            if (d.implicit) return "unknown_implicit";
            return "unknown";
        }
        if (d.type === "root") return "subsystem";
        if (d.type === "subsystem") {
            if (d.subsystem_type === "component") return "component";
            return "subsystem";
        }
        alert("class not found");
    }

    function Toggle(d) {

        if (d.isMinimized)
            d.isMinimized = false;
        else
            d.isMinimized = true;
    }

    function ComputeConnections() {
        function GetObjectInTree(d, nameArray, nameIndex) {
            if (nameArray.length == nameIndex) {
                return d;
            }
            if (!d.children) {
                return null;
            }

            for (var i = 0; i < d.children.length; ++i) {
                if (d.children[i].name === nameArray[nameIndex]) {
                    return GetObjectInTree(d.children[i], nameArray, nameIndex + 1);
                }
                else {
                    var numNames = d.children[i].name.split(":").length;
                    if (numNames >= 2 && nameIndex + numNames <= nameArray.length) {
                        var mergedName = nameArray[nameIndex];
                        for (var j = 1; j < numNames; ++j) {
                            mergedName += ":" + nameArray[nameIndex + j];
                        }
                        if (d.children[i].name === mergedName) {
                            return GetObjectInTree(d.children[i], nameArray, nameIndex + numNames);
                        }
                    }
                }
            }
            return null;
        }

        function RemoveDuplicates(d) { //remove redundant elements in every objects' sources and targets arrays
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    RemoveDuplicates(d.children[i]);
                }
            }

            function unique(elem, pos, arr) {
                return arr.indexOf(elem) == pos;
            }

            if (d.targetsParamView) {
                //numElementsBefore += d.targetsParamView.length;
                var uniqueArray = d.targetsParamView.filter(unique);
                d.targetsParamView = uniqueArray;
                //numElementsAfter += d.targetsParamView.length;
            }
            if (d.targetsHideParams) {
                //numElementsBefore += d.targetsHideParams.length;
                var uniqueArray = d.targetsHideParams.filter(unique);
                d.targetsHideParams = uniqueArray;
                //numElementsAfter += d.targetsHideParams.length;
            }
        }

        function AddLeaves(d, objArray) {
            if (d.type !== "param" && d.type !== "unconnected_param") {
                objArray.push(d);
            }
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    AddLeaves(d.children[i], objArray);
                }
            }
        }

        function ClearConnections(d) {
            d.targetsParamView = [];
            d.targetsHideParams = [];
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    ClearConnections(d.children[i]);
                }
            }
        }

        ClearConnections(root);

        for (var i = 0; i < conns.length; ++i) {
            var srcSplitArray = conns[i].src.split(/\.|:/);
            var srcObj = GetObjectInTree(root, srcSplitArray, 0);
            if (srcObj == null) {
                alert("error: cannot find connection source " + conns[i].src);
                return;
            }
            var srcObjArray = [srcObj];
            if (srcObj.type !== "unknown") { //source obj must be unknown
                alert("error: there is a source that is not an unknown.");
                return;
            }
            if (srcObj.children) { //source obj must be unknown
                alert("error: there is a source that has children.");
                return;
            }
            for (var obj = srcObj.parent; obj != null; obj = obj.parent) {
                srcObjArray.push(obj);
            }

            var tgtSplitArray = conns[i].tgt.split(/\.|:/);
            var tgtObj = GetObjectInTree(root, tgtSplitArray, 0);
            if (tgtObj == null) {
                alert("error: cannot find connection target " + conns[i].tgt);
                return;
            }
            var tgtObjArrayParamView = [tgtObj];
            var tgtObjArrayHideParams = [tgtObj];
            if (tgtObj.type !== "param" && tgtObj.type !== "unconnected_param") { //target obj must be a param
                alert("error: there is a target that is NOT a param.");
                return;
            }
            if (tgtObj.children) {
                alert("error: there is a target that has children.");
                return;
            }
            AddLeaves(tgtObj.parentComponent, tgtObjArrayHideParams); //contaminate
            for (var obj = tgtObj.parent; obj != null; obj = obj.parent) {
                tgtObjArrayParamView.push(obj);
                tgtObjArrayHideParams.push(obj);
            }


            for (var j = 0; j < srcObjArray.length; ++j) {
                if (!srcObjArray[j].hasOwnProperty('targetsParamView')) srcObjArray[j].targetsParamView = [];
                if (!srcObjArray[j].hasOwnProperty('targetsHideParams')) srcObjArray[j].targetsHideParams = [];
                srcObjArray[j].targetsParamView = srcObjArray[j].targetsParamView.concat(tgtObjArrayParamView);
                srcObjArray[j].targetsHideParams = srcObjArray[j].targetsHideParams.concat(tgtObjArrayHideParams);
            }

            var cycleArrowsArray = [];
            if (conns[i].cycle_arrows && conns[i].cycle_arrows.length > 0) {
                var cycleArrows = conns[i].cycle_arrows;
                for (var j = 0; j < cycleArrows.length; ++j) {
                    var cycleArrowsSplitArray = cycleArrows[j].split(" ");
                    if (cycleArrowsSplitArray.length != 2) {
                        alert("error: cycleArrowsSplitArray length not 2: got " + cycleArrowsSplitArray.length);
                        return;
                    }
                    var splitArray = cycleArrowsSplitArray[0].split(/\.|:/);
                    var arrowBeginObj = GetObjectInTree(root, splitArray, 0);
                    if (arrowBeginObj == null) {
                        alert("error: cannot find cycle arrows begin object " + cycleArrowsSplitArray[0]);
                        return;
                    }
                    splitArray = cycleArrowsSplitArray[1].split(/\.|:/);
                    var arrowEndObj = GetObjectInTree(root, splitArray, 0);
                    if (arrowEndObj == null) {
                        alert("error: cannot find cycle arrows end object " + cycleArrowsSplitArray[1]);
                        return;
                    }
                    cycleArrowsArray.push({ "begin": arrowBeginObj, "end": arrowEndObj });
                }
            }
            if (cycleArrowsArray.length > 0) {
                if (!tgtObj.parent.hasOwnProperty("cycleArrows")) {
                    tgtObj.parent.cycleArrows = [];
                }
                tgtObj.parent.cycleArrows.push({ "src": srcObj, "arrows": cycleArrowsArray });
            }

        }
        RemoveDuplicates(root);
    }

    function ComputeMatrixN2() {
        matrix = {};
        if (d3RightTextNodesArrayZoomed.length < LEVEL_OF_DETAIL_THRESHOLD) {
            for (var si = 0; si < d3RightTextNodesArrayZoomed.length; ++si) {
                var srcObj = d3RightTextNodesArrayZoomed[si];
                matrix[si + "_" + si] = { "r": si, "c": si, "obj": srcObj, "id": srcObj.id + "_" + srcObj.id };
                var targets = (showParams) ? srcObj.targetsParamView : srcObj.targetsHideParams;
                for (var j = 0; j < targets.length; ++j) {
                    var tgtObj = targets[j];
                    var ti = d3RightTextNodesArrayZoomed.indexOf(tgtObj);
                    if (ti != -1) {
                        matrix[si + "_" + ti] = { "r": si, "c": ti, "obj": srcObj, "id": srcObj.id + "_" + tgtObj.id }; //matrix[si][ti].z = 1;
                    }
                }
                if (showParams && (srcObj.type === "param" || srcObj.type === "unconnected_param")) {
                    for (var j = si + 1; j < d3RightTextNodesArrayZoomed.length; ++j) {
                        var tgtObj = d3RightTextNodesArrayZoomed[j];
                        if (srcObj.parentComponent !== tgtObj.parentComponent) break;
                        if (tgtObj.type === "unknown") {
                            var ti = j;
                            matrix[si + "_" + ti] = { "r": si, "c": ti, "obj": srcObj, "id": srcObj.id + "_" + tgtObj.id };
                        }
                    }
                }
            }
        }
        n2Dx0 = n2Dx;
        n2Dy0 = n2Dy;

        n2Dx = WIDTH_N2_PX / d3RightTextNodesArrayZoomed.length;
        n2Dy = HEIGHT_PX / d3RightTextNodesArrayZoomed.length;

        symbols_scalar = [];
        symbols_vector = [];
        symbols_group = [];
        symbols_scalarScalar = [];
        symbols_scalarVector = [];
        symbols_vectorScalar = [];
        symbols_vectorVector = [];
        symbols_scalarGroup = [];
        symbols_groupScalar = [];
        symbols_vectorGroup = [];
        symbols_groupVector = [];
        symbols_groupGroup = [];

        for (var key in matrix) {
            var d = matrix[key];
            var tgtObj = d3RightTextNodesArrayZoomed[d.c], srcObj = d3RightTextNodesArrayZoomed[d.r];
            //alert(tgtObj.name + " " + srcObj.name);
            if (d.c == d.r) { //on diagonal
                if (srcObj.type === "subsystem") { //group
                    symbols_group.push(d);
                } else if (srcObj.type === "unknown" || (showParams && (srcObj.type === "param" || srcObj.type === "unconnected_param"))) {
                    if (srcObj.dtype === "ndarray") { //vector
                        symbols_vector.push(d);
                    } else { //scalar
                        symbols_scalar.push(d);
                    }
                }

            }
            else if (srcObj.type === "subsystem") {
                if (tgtObj.type === "subsystem") { //groupGroup
                    symbols_groupGroup.push(d);
                }
                else if (tgtObj.type === "unknown" || (showParams && (tgtObj.type === "param" || tgtObj.type === "unconnected_param"))) {
                    if (tgtObj.dtype === "ndarray") {//groupVector
                        symbols_groupVector.push(d);
                    }
                    else {//groupScalar
                        symbols_groupScalar.push(d);
                    }
                }
            }
            else if (srcObj.type === "unknown" || (showParams && (srcObj.type === "param" || srcObj.type === "unconnected_param"))) {
                if (srcObj.dtype === "ndarray") {
                    if (tgtObj.type === "unknown" || (showParams && (tgtObj.type === "param" || tgtObj.type === "unconnected_param"))) {
                        if (tgtObj.dtype === "ndarray" || (showParams && (tgtObj.type === "param" || tgtObj.type === "unconnected_param"))) {//vectorVector
                            symbols_vectorVector.push(d);
                        }
                        else {//vectorScalar
                            symbols_vectorScalar.push(d);
                        }

                    }
                    else if (tgtObj.type === "subsystem") { //vectorGroup
                        symbols_vectorGroup.push(d);
                    }
                }
                else { //if (srcObj.dtype !== "ndarray"){
                    if (tgtObj.type === "unknown" || (showParams && (tgtObj.type === "param" || tgtObj.type === "unconnected_param"))) {
                        if (tgtObj.dtype === "ndarray") {//scalarVector
                            symbols_scalarVector.push(d);
                        }
                        else {//scalarScalar
                            symbols_scalarScalar.push(d);
                        }

                    }
                    else if (tgtObj.type === "subsystem") { //scalarGroup
                        symbols_scalarGroup.push(d);
                    }
                }

            }
        }

        var currentBox = { "startI": 0, "stopI": 0 };
        d3RightTextNodesArrayZoomedBoxInfo = [currentBox];
        for (var ri = 1; ri < d3RightTextNodesArrayZoomed.length; ++ri) {
            //boxes
            var el = d3RightTextNodesArrayZoomed[ri];
            var startINode = d3RightTextNodesArrayZoomed[currentBox.startI];
            if (startINode.parentComponent && el.parentComponent && startINode.parentComponent === el.parentComponent) {
                ++currentBox.stopI;
            }
            else {
                currentBox = { "startI": ri, "stopI": ri };
            }
            d3RightTextNodesArrayZoomedBoxInfo.push(currentBox);
        }

        drawableN2ComponentBoxes = [];
        for (var i = 0; i < d3RightTextNodesArrayZoomedBoxInfo.length; ++i) { //draw grid lines last so that they will always be visible
            var box = d3RightTextNodesArrayZoomedBoxInfo[i];
            if (box.startI == box.stopI) continue;
            var el = d3RightTextNodesArrayZoomed[box.startI];
            if (!el.parentComponent) alert("parent component not found in box"); //continue;
            box.obj = el.parentComponent;
            i = box.stopI;
            drawableN2ComponentBoxes.push(box);
        }

        //do this so you save old index for the exit()
        gridLines = [];
        if (d3RightTextNodesArrayZoomed.length < LEVEL_OF_DETAIL_THRESHOLD) {
            for (var i = 0; i < d3RightTextNodesArrayZoomed.length; ++i) {
                var obj = d3RightTextNodesArrayZoomed[i];
                var gl = { "i": i, "obj": obj };
                gridLines.push(gl);
            }
        }
    }


    function FindRootOfChangeForShowParams(d) {
        return (d.hasOwnProperty("parentComponent")) ? d.parentComponent : d;
    }

    function FindRootOfChangeForRightClick(d) {
        return lastRightClickedElement;
    }

    function FindRootOfChangeForCollapseDepth(d) {
        for (var obj = d; obj != null; obj = obj.parent) { //make sure history item is not minimized
            if (obj.depth == chosenCollapseDepth) return obj;
        }
        return d;
    }

    function FindRootOfChangeForCollapseUncollapseOutputs(d) {
        return (d.hasOwnProperty("parentComponent")) ? d.parentComponent : d;
    }

    function MouseoverOffDiagN2(d) {
        function GetObjectsInChildrenWithCycleArrows(d, arr) {
            if (d.cycleArrows) {
                arr.push(d);
            }
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    GetObjectsInChildrenWithCycleArrows(d.children[i], arr);
                }
            }
        }
        function GetObjectsWithCycleArrows(d, arr) {
            for (var obj = d.parent; obj != null; obj = obj.parent) { //start with parent.. the children will get the current object to avoid duplicates
                if (obj.cycleArrows) {
                    arr.push(obj);
                }
            }
            GetObjectsInChildrenWithCycleArrows(d, arr);
        }

        function HasObjectInChildren(d, toMatchObj) {
            if (d === toMatchObj) {
                return true;
            }
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    if (HasObjectInChildren(d.children[i], toMatchObj)) {
                        return true;
                    }
                }
            }
            return false;
        }
        function HasObject(d, toMatchObj) {
            for (var obj = d; obj != null; obj = obj.parent) {
                if (obj === toMatchObj) {
                    return true;
                }
            }
            return HasObjectInChildren(d, toMatchObj);
        }

        var lineWidth = Math.min(5, n2Dx * .5, n2Dy * .5);
        arrowMarker.attr("markerWidth", lineWidth * .4)
            .attr("markerHeight", lineWidth * .4);
        var src = d3RightTextNodesArrayZoomed[d.r];
        var tgt = d3RightTextNodesArrayZoomed[d.c];
        var boxEnd = d3RightTextNodesArrayZoomedBoxInfo[d.c];
        if (d.r > d.c) { //bottom left
            DrawPathTwoLines(
                n2Dx * d.r, //x1
                n2Dy * d.r + n2Dy * .5, //y1
                n2Dx * d.c + n2Dx * .5, //left x2
                n2Dy * d.r + n2Dy * .5, //left y2
                n2Dx * d.c + n2Dx * .5, //up x3
                (showParams) ? n2Dy * d.c + n2Dy - 1e-2 : n2Dy * (boxEnd.stopI) + n2Dy - 1e-2, //up y3
                RED_ARROW_COLOR, lineWidth, true);

            var targetsWithCycleArrows = [];
            GetObjectsWithCycleArrows(tgt, targetsWithCycleArrows);
            for (var ti = 0; ti < targetsWithCycleArrows.length; ++ti) {
                var arrows = targetsWithCycleArrows[ti].cycleArrows;
                for (var ai = 0; ai < arrows.length; ++ai) {
                    if (HasObject(src, arrows[ai].src)) {
                        var correspondingSrcArrows = arrows[ai].arrows;
                        for (var si = 0; si < correspondingSrcArrows.length; ++si) {
                            var beginObj = correspondingSrcArrows[si].begin;
                            var endObj = correspondingSrcArrows[si].end;
                            //alert(beginObj.name + "->" + endObj.name);
                            var firstBeginIndex = -1, firstEndIndex = -1;

                            //find first begin index
                            for (var mi = 0; mi < d3RightTextNodesArrayZoomed.length; ++mi) {
                                var rtNode = d3RightTextNodesArrayZoomed[mi];
                                if (HasObject(rtNode, beginObj)) {
                                    firstBeginIndex = mi;
                                    break;
                                }
                            }
                            if (firstBeginIndex == -1) {
                                alert("error: first begin index not found");
                                return;
                            }

                            //find first end index
                            for (var mi = 0; mi < d3RightTextNodesArrayZoomed.length; ++mi) {
                                var rtNode = d3RightTextNodesArrayZoomed[mi];
                                if (HasObject(rtNode, endObj)) {
                                    firstEndIndex = mi;
                                    break;
                                }
                            }
                            if (firstEndIndex == -1) {
                                alert("error: first end index not found");
                                return;
                            }

                            if (firstBeginIndex != firstEndIndex) {
                                if (showParams) {
                                    DrawArrowsParamView(firstBeginIndex, firstEndIndex);
                                }
                                else {
                                    DrawArrows(firstBeginIndex, firstEndIndex);
                                }
                            }
                        }
                    }
                }
            }
        }
        else if (d.r < d.c) { //top right
            DrawPathTwoLines(
                n2Dx * d.r + n2Dx, //x1
                n2Dy * d.r + n2Dy * .5, //y1
                n2Dx * d.c + n2Dx * .5, //right x2
                n2Dy * d.r + n2Dy * .5, //right y2
                n2Dx * d.c + n2Dx * .5, //down x3
                (showParams) ? n2Dy * d.c + 1e-2 : n2Dy * boxEnd.startI + 1e-2, //down y3
                RED_ARROW_COLOR, lineWidth, true);
        }
        var leftTextWidthR = d3RightTextNodesArrayZoomed[d.r].nameWidthPx,
            leftTextWidthC = d3RightTextNodesArrayZoomed[d.c].nameWidthPx;
        DrawRect(-leftTextWidthR - PTREE_N2_GAP_PX, n2Dy * d.r, leftTextWidthR, n2Dy, RED_ARROW_COLOR); //highlight var name
        DrawRect(-leftTextWidthC - PTREE_N2_GAP_PX, n2Dy * d.c, leftTextWidthC, n2Dy, GREEN_ARROW_COLOR); //highlight var name
    }

    function MouseoverOnDiagN2(d) {
        //d=hovered element
        var hoveredIndexRC = d.c; //d.x == d.y == row == col
        var leftTextWidthHovered = d3RightTextNodesArrayZoomed[hoveredIndexRC].nameWidthPx;

        // Loop over all elements in the matrix looking for other cells in the same column as
        var lineWidth = Math.min(5, n2Dx * .5, n2Dy * .5);
        arrowMarker.attr("markerWidth", lineWidth * .4)
            .attr("markerHeight", lineWidth * .4);
        DrawRect(-leftTextWidthHovered - PTREE_N2_GAP_PX, n2Dy * hoveredIndexRC, leftTextWidthHovered, n2Dy, HIGHLIGHT_HOVERED_COLOR); //highlight hovered
        for (var i = 0; i < d3RightTextNodesArrayZoomed.length; ++i) {
            var leftTextWidthDependency = d3RightTextNodesArrayZoomed[i].nameWidthPx;
            var box = d3RightTextNodesArrayZoomedBoxInfo[i];
            if (matrix[hoveredIndexRC + "_" + i] !== undefined) { //if (matrix[hoveredIndexRC][i].z > 0) { //i is column here
                if (i < hoveredIndexRC) { //column less than hovered
                    if (showParams) {
                        DrawPathTwoLines(
                            n2Dx * hoveredIndexRC, //x1
                            n2Dy * (hoveredIndexRC + .5), //y1
                            (i + .5) * n2Dx, //left x2
                            n2Dy * (hoveredIndexRC + .5), //left y2
                            (i + .5) * n2Dx, //up x3
                            (i + 1) * n2Dy, //up y3
                            GREEN_ARROW_COLOR, lineWidth, true);
                    }
                    else if (i == box.startI) {
                        DrawPathTwoLines(
                            n2Dx * hoveredIndexRC, //x1
                            n2Dy * hoveredIndexRC + n2Dy * .5, //y1
                            (box.startI + (box.stopI - box.startI) * .5) * n2Dx + n2Dx * .5, //left x2
                            n2Dy * hoveredIndexRC + n2Dy * .5, //left y2
                            (box.startI + (box.stopI - box.startI) * .5) * n2Dx + n2Dx * .5, //up x3
                            n2Dy * box.stopI + n2Dy, //up y3
                            GREEN_ARROW_COLOR, lineWidth, true);
                    }
                    DrawRect(-leftTextWidthDependency - PTREE_N2_GAP_PX, n2Dy * i, leftTextWidthDependency, n2Dy, GREEN_ARROW_COLOR); //highlight var name

                } else if (i > hoveredIndexRC) { //column greater than hovered
                    if (showParams) {
                        DrawPathTwoLines(
                            n2Dx * hoveredIndexRC + n2Dx, //x1
                            n2Dy * (hoveredIndexRC + .5), //y1
                            (i + .5) * n2Dx, //right x2
                            n2Dy * (hoveredIndexRC + .5), //right y2
                            (i + .5) * n2Dx, //down x3
                            n2Dy * i, //down y3
                            GREEN_ARROW_COLOR, lineWidth, true); //vertical down
                    }
                    else if (i == box.startI) {
                        DrawPathTwoLines(
                            n2Dx * hoveredIndexRC + n2Dx, //x1
                            n2Dy * hoveredIndexRC + n2Dy * .5, //y1
                            (box.startI + (box.stopI - box.startI) * .5) * n2Dx + n2Dx * .5, //right x2
                            n2Dy * hoveredIndexRC + n2Dy * .5, //right y2
                            (box.startI + (box.stopI - box.startI) * .5) * n2Dx + n2Dx * .5, //down x3
                            n2Dy * box.startI, //down y3
                            GREEN_ARROW_COLOR, lineWidth, true); //vertical down
                    }
                    DrawRect(-leftTextWidthDependency - PTREE_N2_GAP_PX, n2Dy * i, leftTextWidthDependency, n2Dy, GREEN_ARROW_COLOR); //highlight var name
                }
            }

            if (matrix[i + "_" + hoveredIndexRC] !== undefined) { //if (matrix[i][hoveredIndexRC].z > 0) { //i is row here
                if (i < hoveredIndexRC) { //row less than hovered
                    DrawPathTwoLines(
                        n2Dx * i + n2Dx, //x1
                        n2Dy * i + n2Dy * .5, //y1
                        n2Dx * hoveredIndexRC + n2Dx * .5, //right x2
                        n2Dy * i + n2Dy * .5, //right y2
                        n2Dx * hoveredIndexRC + n2Dx * .5, //down x3
                        n2Dy * hoveredIndexRC, //down y3
                        RED_ARROW_COLOR, lineWidth, true); //vertical down
                    DrawRect(-leftTextWidthDependency - PTREE_N2_GAP_PX, n2Dy * i, leftTextWidthDependency, n2Dy, RED_ARROW_COLOR); //highlight var name
                } else if (i > hoveredIndexRC) { //row greater than hovered
                    DrawPathTwoLines(
                        n2Dx * i, //x1
                        n2Dy * i + n2Dy * .5, //y1
                        n2Dx * hoveredIndexRC + n2Dx * .5, //left x2
                        n2Dy * i + n2Dy * .5, //left y2
                        n2Dx * hoveredIndexRC + n2Dx * .5, //up x3
                        n2Dy * hoveredIndexRC + n2Dy, //up y3
                        RED_ARROW_COLOR, lineWidth, true);
                    DrawRect(-leftTextWidthDependency - PTREE_N2_GAP_PX, n2Dy * i, leftTextWidthDependency, n2Dy, RED_ARROW_COLOR); //highlight var name
                }
            }
        }
    }

    function MouseoutN2() {
        n2Group.selectAll(".n2_hover_elements").remove();
    }

    function MouseClickN2(d) {
        var newClassName = "n2_hover_elements_" + d.r + "_" + d.c;
        var selection = n2Group.selectAll("." + newClassName);
        if (selection.size() > 0) {
            selection.remove();
        }
        else {
            n2Group.selectAll("path.n2_hover_elements, circle.n2_hover_elements")
                .attr("class", newClassName);
        }
    }

    function ReturnToRootButtonClick() {
        backButtonHistory.push({ "el": zoomedElement });
        forwardButtonHistory = [];
        SetupLeftClick(root);
        Update();
    }

    function UpOneLevelButtonClick() {
        if (zoomedElement === root) return;
        backButtonHistory.push({ "el": zoomedElement });
        forwardButtonHistory = [];
        SetupLeftClick(zoomedElement.parent);
        Update();
    }

    function CollapseOutputsButtonClick(startNode) {
        function CollapseOutputs(d) {
            if (d.subsystem_type && d.subsystem_type === "component") {
                d.isMinimized = true;
            }
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    CollapseOutputs(d.children[i]);
                }
            }
        }
        FindRootOfChangeFunction = FindRootOfChangeForCollapseUncollapseOutputs;
        TRANSITION_DURATION = TRANSITION_DURATION_SLOW;
        lastClickWasLeft = false;
        CollapseOutputs(startNode);
        Update();
    }

    function UncollapseButtonClick(startNode) {
        function Uncollapse(d) {
            if (d.type !== "param" && d.type !== "unconnected_param") {
                d.isMinimized = false;
            }
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    Uncollapse(d.children[i]);
                }
            }
        }
        FindRootOfChangeFunction = FindRootOfChangeForCollapseUncollapseOutputs;
        TRANSITION_DURATION = TRANSITION_DURATION_SLOW;
        lastClickWasLeft = false;
        Uncollapse(startNode);
        Update();
    }

    function CollapseToDepthSelectChange(newChosenCollapseDepth) {
        function CollapseToDepth(d, depth) {
            if (d.type === "param" || d.type === "unknown" || d.type === "unconnected_param") {
                return;
            }
            if (d.depth < depth) {
                d.isMinimized = false;
            }
            else {
                d.isMinimized = true;
            }
            if (d.children) {
                for (var i = 0; i < d.children.length; ++i) {
                    CollapseToDepth(d.children[i], depth);
                }
            }
        }

        chosenCollapseDepth = newChosenCollapseDepth;
        if (chosenCollapseDepth > zoomedElement.depth) {
            CollapseToDepth(root, chosenCollapseDepth);
        }
        FindRootOfChangeFunction = FindRootOfChangeForCollapseDepth;
        TRANSITION_DURATION = TRANSITION_DURATION_SLOW;
        lastClickWasLeft = false;
        Update();
    }

    function FontSizeSelectChange(fontSize) {
        for (var i = 8; i <= 14; ++i) {
            var newText = (i == fontSize) ? ("<b>" + i + "px</b>") : (i + "px");
            parentDiv.querySelector("#idFontSize" + i + "px").innerHTML = newText;
        }
        FONT_SIZE_PX = fontSize;
        TRANSITION_DURATION = TRANSITION_DURATION_FAST;
        UpdateSvgCss(svgStyleElement, FONT_SIZE_PX);
        Update();
    }

    function VerticalResize(height) {
        for (var i = 600; i <= 1000; i += 50) {
            var newText = (i == height) ? ("<b>" + i + "px</b>") : (i + "px");
            parentDiv.querySelector("#idVerticalResize" + i + "px").innerHTML = newText;
        }
        ClearArrowsAndConnects();
        HEIGHT_PX = height;
        LEVEL_OF_DETAIL_THRESHOLD = HEIGHT_PX / 3;
        WIDTH_N2_PX = HEIGHT_PX;
        TRANSITION_DURATION = TRANSITION_DURATION_FAST;
        UpdateSvgCss(svgStyleElement, FONT_SIZE_PX);
        Update();
    }

    function ShowParamsCheckboxChange() {
        if (zoomedElement.type === "param" || zoomedElement.type === "unconnected_param") return;
        showParams = !showParams;
        parentDiv.querySelector("#showParamsButtonId").className = showParams ? "myButton myButtonToggledOn" : "myButton";

        FindRootOfChangeFunction = FindRootOfChangeForShowParams;
        lastClickWasLeft = false;
        TRANSITION_DURATION = TRANSITION_DURATION_SLOW;
        transitionStartDelay = 500;
        SetupLegend(d3, d3ContentDiv);
        Update();
    }


    function ShowPathCheckboxChange() {
        showPath = !showPath;
        parentDiv.querySelector("#currentPathId").style.display = showPath ? "block" : "none";
        parentDiv.querySelector("#showCurrentPathButtonId").className = showPath ? "myButton myButtonToggledOn" : "myButton";
    }

    function ToggleLegend() {
        showLegend = !showLegend;
        parentDiv.querySelector("#showLegendButtonId").className = showLegend ? "myButton myButtonToggledOn" : "myButton";
        SetupLegend(d3, d3ContentDiv);
    }

    function CreateDomLayout() {
        document.getElementById("searchButtonId").onclick = SearchButtonClicked;
    }

    function CreateToolbar() {
        var div = document.getElementById("toolbarDiv")
        div.querySelector("#returnToRootButtonId").onclick = ReturnToRootButtonClick;
        div.querySelector("#backButtonId").onclick = BackButtonPressed;
        div.querySelector("#forwardButtonId").onclick = ForwardButtonPressed;
        div.querySelector("#upOneLevelButtonId").onclick = UpOneLevelButtonClick;
        div.querySelector("#uncollapseInViewButtonId").onclick = function () { UncollapseButtonClick(zoomedElement); };
        div.querySelector("#uncollapseAllButtonId").onclick = function () { UncollapseButtonClick(root); };
        div.querySelector("#collapseInViewButtonId").onclick = function () { CollapseOutputsButtonClick(zoomedElement); };
        div.querySelector("#collapseAllButtonId").onclick = function () { CollapseOutputsButtonClick(root); };
        div.querySelector("#clearArrowsAndConnectsButtonId").onclick = ClearArrowsAndConnects;
        div.querySelector("#showCurrentPathButtonId").onclick = ShowPathCheckboxChange;
        div.querySelector("#showLegendButtonId").onclick = ToggleLegend;
        div.querySelector("#showParamsButtonId").onclick = ShowParamsCheckboxChange;

        for (var i = 8; i <= 14; ++i) {
            var f = function (idx) {
                return function () { FontSizeSelectChange(idx); };
            }(i);
            div.querySelector("#idFontSize" + i + "px").onclick = f;
        }

        for (var i = 600; i <= 1000; i += 50) {
            var f = function (idx) {
                return function () { VerticalResize(idx); };
            }(i);
            div.querySelector("#idVerticalResize" + i + "px").onclick = f;
        }

        div.querySelector("#saveSvgButtonId").onclick = function () { SaveSvg(parentDiv) };
        div.querySelector("#helpButtonId").onclick = DisplayModal;
    }

    return {
        GetFontSize: function () { return FONT_SIZE_PX; },
        ResizeHeight: function (h) { VerticalResize(h); },
        Redraw: function () { Update(); }
    };
}

var zoomedElement = modelData['tree'];
var updateFunc;
var mouseOverOffDiagN2;
var mouseOverOnDiagN2;
var mouseOutN2;
var mouseClickN2;
var hasInputConn;
var treeData, connectionList;
modelData.tree.name = 'model'; //Change 'root' to 'model'
var app = PtN2Diagram(document.getElementById("ptN2ContentDivId"), modelData['tree'], modelData['connections_list']);

</script>
                    </body>
                    </html>
                    